What is GDP(Gross Domestic Product).
G |
ross domestic product or GDP is the total financial or monetary market
value of all ready-made goods and services produced within a country's borders
during a given period. As a general measure of aggregate domestic production,
it functions as a comprehensive dashboard of the economic health of a given
country.
Although GDP is generally calculated on an annual basis, it is
sometimes also calculated on a quarterly basis. For example, in the United
States of America, the government publishes an estimate of annually finalized
GDP for each fiscal quarter and also for the calendar year. The individual data
bundles included in this report are given in real terms, so the data is
adjusted or managed for price changes and therefore is net of inflation. In
United States of America, the Bureau of Economic Analysis (BEA) measures GDP
using data obtained through surveys of retailers, manufacturers and builders
and by looking at trade flows.
LOOK
AT A GLANCE
*Gross domestic product or GDP is the total financial or monetary
market value of all ready-made goods and services produced in a country during
a given period.
*GDP provides an economic snapshot of a country, used to estimate the size of an economy and its rate of growth.
*GDP can be calculated in three ways, using expenditure, output or
income. It can be adjusted for inflation and population to provide more
in-depth information.
*Although it has limitations, GDP is a key tool in guiding
policymakers, investors and businesses in making strategic decisions.
What
Is GDP? | GDP meaning.
The calculation of a country's GDP includes all private and public
consumption, government spending, investment, private inventory additions,
construction costs paid, and the external trade balance. (Exports are included or
added to the value and imports are excluded or subtracted).
Of all the components that make up a country's GDP, the external trade
balance is particularly important. A country's GDP tends to increase when the
total value of goods and services that domestic producers sell to foreign
countries exceeds the total value of foreign goods and services purchased by
domestic consumers. When this happens, a country is said to have a trade
surplus. If the reverse situation occurs - if the amount that domestic consumers
spend on foreign products is greater than the total sum of what domestic
producers can sell to foreign consumers - this is called a trade deficit. In
this condition, the Gross Domestic Product of a country tends to decline.
GDP can be calculated either on a nominal basis or on a real basis,
the latter taking inflation into account. Overall, real GDP is a better method
of expressing long-term national economic performance since it uses constant
dollars. For example, suppose there is a country that in 2009 had a nominal GDP
of $ 100 billion. By 2019, the country's nominal GDP had grown to $ 150
billion. During the same period, prices also increased by 100%. In this
example, if you only look at nominal GDP, the economy appears to be performing
well. However, real GDP (expressed in 2009 dollars) would only be $ 75 billion,
revealing that in reality an overall decline in real economic performance
occurred during this period.
Types
of Gross Domestic Product
Gross Domestic Product (GDP) can be reported in various ways, each of
which provides slightly different information.
Nominal GDP
Nominal GDP is an estimate of economic output in an economy that
includes current prices in its calculation. In other words, it doesn’t suppress
inflation or the pace of price increases, which can inflate the growth figure.
All goods and services included in nominal GDP are valued at the prices that
are actually sold in that year. Nominal GDP is valued either in local currency
or in US dollars at currency market exchange rates in order to compare
countries' GDP in purely financial terms.
Nominal GDP is used to compare different quarters of production in the
same year. When we compare GDP from two years or more, real GDP is used. Indeed,
removing the influence of inflation allows the comparison of different years to
focus only on volume.
Real GDP
Real Gross Domestic Product (GDP) is an inflation-adjusted measure
that reflects the amount of goods and services produced by an economy in a
given year, with prices held constant year over year in order to separate the
impact of inflation or deflation of the production trend over time. As GDP is
depend on the monetary value of goods and services, so it is the subject matter
of inflation. Rising prices will tend to increase a country's GDP, but this
does not necessarily reflect a change in the quantity or quality of goods and
services produced. In this process, by looking only at the nominal GDP of an
economy, it can be hard to say whether this figure has increased due to an
actual expansion in production and manufacturing or simply because prices have
increased.
Generally, Economists are used to a process that adjusts for inflation
to arrive at an economy's real GDP. By adjusting output in a given year to
price levels that prevailed in a base year, called the base year, economists
can adjust to the impact of inflation. This way, it is possible to compare a
country's GDP from year to year and see if there is real growth.
Real GDP is calculated using a GDP price deflator, which is the price
difference between the current year and the base year. For example, if prices
increased 5% from the base year, the deflator would be 1.05. Nominal GDP is
divided by this deflator, which gives real GDP. Nominal GDP is usually higher
than real GDP because inflation is usually a positive number. Real GDP explains
changes in market value and thus reduces the gap between production figures
from year to year. If there is a large gap between a country's real GDP and its
nominal GDP, it can be an indicator of significant inflation or deflation in
its economy.
GDP
Per Capita
GDP per capita is a measure of the GDP per person in the population of
a country. It indicates the amount of production or income per person in an
economy can indicate average productivity or average standard of living. GDP
per capita can be expressed in nominal, real (inflation-adjusted) or PPP terms.
In a basic interpretation, GDP per capita shows how much the value of economic
output can be attributed to each citizen. It also translates into a measure of
overall national wealth since the market value of GDP per person is also easily
used as a measure of prosperity.
GDP per capita is often analyzed alongside more traditional measures of
GDP. Economists use this metric to gain insight into both the domestic
productivity of their own country and the productivity of other countries. GDP
per capita takes into account both a country's GDP and its population.
Therefore, it may be important to understand how each factor contributes to the
overall result and how each factor affects the growth of GDP per capita. If a
country's per capita GDP grows with a stable population level, for example, it
could be the result of technological advancements that produce more with the
same population level. Some countries may have a high GDP per capita but a
small population, which usually means that they have built a self-sufficient
economy based on an abundance of special resources.
GDP
Growth
The GDP growth rate compares the annual
(or quarterly) change in a country's economic output to measure the speed of an
economy's growth. Usually expressed as a percentage, this measure is popular
with economic policymakers, as GDP growth is seen to be closely tied to key
policy goals such as inflation and unemployment rates.
If GDP growth rates accelerate, this
may indicate that the economy is "overheating" and that the central
bank may seek to raise interest rates. Conversely, central banks see a
declining (or negative) GDP growth rate (i.e. a recession) as a signal that
rates should be lowered and that a stimulus may be needed.
GDP
Purchasing Power Parity (PPP)
Although not directly a measure of GDP, economists look at purchasing
power parity (PPP) to see how a country's GDP is measured in
"international dollars" using a method which adjust for differences
in local prices and cost of living in order to make country comparisons of real
production, real income and standard of living.
Ways
of Calculating GDP
GDP can be determined using three main methods. All three methods
should give the same number when correctly calculated. These three approaches
are often referred to as the expenditure approach, the production (or
production) approach, and the income approach.
The
Expenditure Approach
The expenditure approach, also called the expenditure approach,
calculates the expenditure of the different groups that participate in the
economy. US GDP is primarily measured on the basis of the expenditure approach.
This approach can be measured using the following formula:
GDP = C + G + I + NX
Where --
C=consumption;
G=government spending;
I=Investment; and
NX=net exports
All of these activities contribute to a country's GDP. Consumption
refers to private consumption expenditure or consumer expenditure. Consumers
spend money on goods and services, such as groceries and haircuts. Consumer
spending is the largest component of GDP, accounting for over two-thirds of US
GDP. Consumer confidence therefore has a very significant influence on economic
growth. A high level of confidence indicates that consumers are willing to
spend, while a low level of confidence reflects uncertainty about the future
and reluctance to spend.
Public expenditure represents public consumption expenditure and gross
investment. Governments disburse money on equipment, infrastructure and
payroll. Public disbursing or spending can accelerate relative to other
components of a country's Gross Domestic Product when consumer spending and
business investment both go down sharply. (This can happen following a recession,
for example.)
Investment refers to private domestic investment or capital
expenditure. Businesses disburse money to invest in their business operations.
For example, a business can buy machinery. Business investment is an essential
component of GDP because it increases the productive capacity of an economy and
stimulates employment levels.
Net exports subtract total exports from total imports (NX = Exports -
Imports). The goods and services that an economy produces are exported to other
countries, less imports purchased by domestic consumers represent a country's
net exports. All expenses of businesses located in a given country, even if
they are foreign businesses, are included in this calculation.
The
(Output) Approach of the Production
The production approach is essentially
the reverse of the expense approach. Rather than measuring the costs of inputs
that contribute to economic activity, the production approach estimates the
total value of economic output and deducts the cost of intermediate goods
consumed in the process (such as materials and services) while the spending
approach projects forward from costs, the production approach looks backward
from the point of view of a state of complete economic activity.
The Approach
of the Income
The income approach represents a kind of middle ground between the two
other approaches to calculating GDP. The income approach calculates the income
earned by all the factors of production in an economy, including the wages paid
to labor, the rent earned by land, the return on capital in the form of
interest, and corporate profits.
The income approach factors in some adjustments for those items that
are not considered payments made to factors of production. For one, there are
some taxes—such as sales taxes and property taxes—that are classified as
indirect business taxes. In addition, depreciation–a reserve that businesses
set aside to account for the replacement of equipment that tends to wear down
with use–is also added to the national income. All of this together constitutes
a given nation's income.
GDP
vs. GNP vs. GNI
Although GDP is a widely used measure, there are other ways to measure
a country's economic growth. While GDP measures economic activity within a
country's physical boundaries (whether producers are from that country or from
foreign-invested entities), gross national product (GNP) is a measure of global
production of people or companies from a country. Countries including those
based abroad. GNP excludes domestic production of foreigners.
Another measure of economic growth is gross national income (GNI). It
is the sum of all income earned by citizens or nationals of a country
(regardless of whether the underlying economic activity takes place in the
country or abroad). The relationship between GNP and GNI is similar to the
relationship between the production (production) approach and the income
approach used to calculate GDP. The GNP uses the production approach, while the
GNI uses the revenue approach. With GNI, a country's income is calculated as
its internal income, plus its indirect business taxes and depreciation (as well
as its net income from foreign factors). The net foreign factor income figure
is calculated by subtracting all payments to foreign businesses and individuals
from those to domestic businesses.
In an increasingly globalized economy, GNI has been touted as a
potentially better measure of overall economic health than GDP. Since some
countries see most of their income withdrawn abroad by foreign companies and
individuals, their GDP figures are much higher than those which represent their
GNI.
For example, in 2018, Luxembourg's GDP was $70.9 billion while its
GNI was $45.1 billion. The gap was due to large payments made to the rest of
the world through foreign companies doing business in Luxembourg, drawn by the
small country's favorable tax laws. On the contrary, in the United States, GNI
and GDP do not differ significantly. In 2018, America's GDP was $20.6 trillion
while its GNI was $20.8 trillion.
How to
Use the practical Data of GDP?
Most countries publish GDP data on a monthly and quarterly basis. In the United States, the Bureau of Economic Analysis (BEA) publishes an advance release of quarterly GDP four weeks after the end of the quarter and a final version three months after the end of the quarter. BEA news releases are comprehensive and contain a wealth of detail, allowing economists and investors to gain information and insights into various aspects of the economy.
The impact of GDP on the market is generally limited, as it is
“retrospective” and a considerable time has already elapsed between the end of
the quarter and the release of the GDP data. However, GDP data can have an
impact on markets if actual numbers differ significantly from expectations. For
example, the S&P 500 experienced its largest decline in two months on
November 7, 2013, following reports that US GDP grew at an annualized rate of
2.8% in the third quarter, compared to estimate of economists by 2%. The data
fueled speculation that a stronger economy could lead the US Federal Reserve
(the Fed) to scale back its massive stimulus package that was in effect at the
time.
Since Gross Domestic Product provides a direct indication of the
health and growth of the economy, companies can use GDP as a guide for their
business strategy. Government entities, such as the US Federal Reserve, use the
growth rate and other statistics of GDP as part of their decision-making
process to determine the type of monetary policy to implement. If the growth
rate slows, they could implement an expansionary monetary policy in an attempt
to revive the economy. If the growth rate is robust, they could use monetary
policy to slow things down in order to stave off inflation.
Real Gross Domestic Product is the indicator that tells the most
regarding the overall health of the economy. It is broadly followed and
analyzed by economists, analysts, investors, and policy makers. The early
release of the latest data will almost always move the markets, although this impact
may be limited as noted above.
Adjustments
to GDP
A number of adjustments can be made to a country's Gross Domestic
Product to upgrade the effectiveness of that figure. For economists, a
country's Gross Domestic Product expresses the size and area of the economy but
provides little information regarding the standard of living in that country.
Part of the reason is that population size and cost of living are inconsistent
around the world. For example, comparing China's nominal GDP to Ireland's nominal
GDP would not provide much meaningful information about the realities of life
in these countries, as China has about 300 times the population of Ireland.
For solving this problem, statisticians occasionally weigh up GDP per capita between countries. Gross Domestic Product per capita is evaluated by dividing a country's total Gross Domestic Product by its population, and this figure is frequently cited to assess the country's standard of living. Even so, the measurement is still imperfect. Suppose China has a Gross Domestic Product per capita of $1,500, whereas Ireland has a GDP per capita of $15,000. This does not necessarily mean that the average Irishman is 10 times better off than the average Chinese. GDP per capita does not take into account the cost of living in a country.
Purchasing Power Parity (PPP) attempts to solve this problem by
comparing the number of goods and services that an exchange-adjusted currency
unit can buy in different countries - by comparing the price of an item, or
basket of articles, in two countries after adjustment for the exchange rate
between the two, in force.
Real GDP per capita, adjusted for purchasing power parity, is a highly
refined statistic for measuring real income, which is an important component of
well-being. An individual in Ireland can earn $100,000 per year, while an
individual in China can earn $50,000 per year. In nominal terms, the Irish
worker is better off. But if a year of food, clothing and other items costs 3
times bigger in Ireland than in China, the worker in China has a higher real
income.
Investment
Opportunities and GDP
Investors watch GDP since it provides a framework for decision-making. The "corporate profits" and "inventory" data in the GDP report are a great resource for equity investors, as both categories show total growth during the period; corporate profits data also displays pre-tax profits, operating cash flows, and breakdowns for all major sectors of the economy. Comparing the GDP growth rates of different countries can play a part in asset allocation, aiding decisions about whether to invest in fast-growing economies abroad and if so, which ones.
One interesting metric that investors can use to get some sense of the
valuation of an equity market is the ratio of total market capitalization to
GDP, expressed as a percentage. The closest equivalent to this in terms of
stock valuation is a company's market cap to total sales (or revenues), which
in per-share terms is the well-known price-to-sales ratio.
Just as stocks in different sectors trade at widely divergent
price-to-sales ratios, different nations trade at market-cap-to-GDP ratios that
are literally all over the map. For example, according to the World Bank, the
U.S. had a market-cap-to-GDP ratio of nearly 165% for 2017 (the latest year for
available figures), while China had a ratio of just over 71% and Hong Kong
grabbed a ratio of 1274%.
However, the utility of this ratio lies in comparing it to historical
norms for a particular nation. As an example, the U.S. had a market-cap-to-GDP
ratio of 130% at the end of 2006, which dropped to 75% by the end of 2008. In
retrospect, these represented zones of substantial overvaluation and
undervaluation, respectively, for U.S. equities.
The biggest downside of this data is its lack of timeliness; investors
only get one update per quarter and revisions can be large enough to
significantly alter the percentage change in GDP.
History
of GDP
The concept of GDP was first proposed in 1937 in a report to the United States Congress in response to the Great Depression, designed and presented by an economist from the National Bureau of Economic Research, Simon Kuznets. At the time, the measurement system par excellence was GNP. After the Bretton Woods conference in 1944, GDP was widely adopted as the standard way to measure national economies, although, ironically, the United States continued to use GNP as the official measure of economic well-being until 1991, after which they switched to GDP.
From the 1950s, however, some economists and policymakers began to
question GDP. Some have observed, for example, a tendency to accept GDP as an
absolute indicator of a nation's failure or success, despite its inability to
account for health, happiness, (in) equality and other factors constituting
public welfare. In other words, these critiques have drawn attention to a
distinction between economic progress and social progress. However, most
authorities, like Arthur Okun, an
economist at President Kennedy's Council of Economic Advisers, have held firm
to the belief that GDP is an absolute indicator of economic success, arguing
that for every increase in GDP there will be a corresponding drop in
unemployment.
Evaluation
of GDP
There are, of course, downsides to using GDP as an indicator. Besides
the lack of timeliness, some criticisms of GDP as a measure are as follows:
It passes over the value of informal or unregistered economic
operations - Gross Domestic Product is based on recorded transactions and
official data, so it doesn't grab into account the range of informal economic
activity. GDP does not take into account the value of illegal employment, black
market activity or unpaid volunteer work, all of which can be significant in
some countries and can’t capture the value of leisure time or household
production, which are ubiquitous conditions of human life in all societies.
It is geographically limited in a globally open economy - Gross
Domestic Product doesn't grab into account the profits made in a country by
foreign companies that are returned to foreign investors. This can overestimate
the actual economic output of a country. For example, Ireland had a GDP of
$210.3 billion and a GNP of $164.6 billion in 2012, with the difference of $45.7
billion (or 21.7% of GDP) being large part due to repatriation of profits by
foreign companies based in Ireland.
It emphasizes material production without considering overall
well-being - GDP growth alone cannot measure a nation's development or the
well-being of its citizens, as noted above. For example, a nation may
experience rapid growth in its GDP, but this can come at a significant cost to
society in terms of environmental impact and increased income disparity.
It does not take into account business-to-business activities - GDP
only takes into account the production of final goods and new capital
investment and deliberately excludes intermediate expenditure and
business-to-business transactions. In doing so, GDP overestimates the
importance of consumption relative to production in the economy and is less
sensitive as an indicator of economic fluctuations than measures that include
business-to-business activity.
It counts costs and waste as economic benefits - GDP counts all final
private and public expenditures as additions to income and production for
society, whether they are actually productive or profitable. This means that
clearly unproductive or even destructive activities are systematically counted
in economic output and contribute to GDP growth. For example, this includes
spending geared towards extracting or transferring wealth between members of
society rather than the production of wealth (such as administrative costs of
taxation or money spent on lobbying and rent-seeking. ), spending on investment
projects for which the necessary additional goods and labor are not available
or for which real consumer demand does not exist (such as the construction of
empty ghost towns or bridges unrelated to any road network), and spending on
goods and services which are themselves destructive or only necessary to
compensate for other destructive activities, rather than creating new wealth
(such as the production of weapons of war or expenses for maintaining order and
anti-crime measures).
The
Sources of GDP Data
The World Bank hosts one of the most reliable web databases. It has
one of the best and most comprehensive lists of countries for which it
maintains the track of GDP data. The International
Monetary Fund (IMF) also provides GDP data through its multiple databases,
such as the World Economic Outlook
and International Financial Statistics.
Another very reliable source of GDP data is the Organization for Economic Co-operation and Development
(OECD). The OECD provides not only historical data, but also forecasts of GDP
growth. The downside to using the OECD database is that it only tracks OECD
member countries and some non-member countries.
In the United States of America, the Federal Reserve accumulates data
from several sources, including a country's statistical agencies and the World
Bank. The only downside to using a
Federal Reserve database is the lack of up-to-date GDP data and the lack of
data for some countries.
The Bureau of Economic Analysis
(BEA), a division of the US Department of Commerce, issues its own analysis
document with each GDP release, which is a great tool for investors to analyze
figures and trends and read the aspects highlights of the very extensive full
publication.
The Conclusion
In their founding manual "Economics",
Paul Samuelson and William Nordhaus perfectly summarize
the importance of national accounts and GDP. They compare the ability of GDP to
give a holistic picture of the state of the economy to that of a satellite in
space that can monitor weather over an entire continent.
GDP allows policymakers and central banks to judge whether the economy is contracting or growing, whether it needs a boost or restraint, and whether a threat such as recession or inflation is emerging profile on the horizon. Like any measure, GDP has its imperfections. Over the past decades, governments have made various nuanced changes in an attempt to increase the accuracy and specificity of GDP. The means of calculating GDP have also evolved continuously since its conception in order to keep up with the evolution of measures of industry activity and the generation and consumption of new emerging forms of intangible assets.