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Testing the permanent income hypothesis in the developing and developed countries: A comparison between Fiji and Australia

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  • Rao, B. Bhaskara
  • Sharma, Kanhaiya Lal
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  • Kanhaiya Lal Sharma

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Permanent Income Hypothesis: Definition, How It Works, and Impact

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia.

permanent income hypothesis in developing countries

Investopedia / Jiaqi Zhou

What Is the Permanent Income Hypothesis?

The permanent income hypothesis is a theory of consumer spending stating that people will spend money at a level consistent with their expected long-term average income . The level of expected long-term income then becomes thought of as the level of “permanent” income that can be safely spent. A worker will save only if their current income is higher than the anticipated level of permanent income, in order to guard against future declines in income.

Key Takeaways

  • The permanent income hypothesis states that individuals will spend money at a level that is consistent with their expected long-term average income.
  • Milton Friedman developed the permanent income hypothesis, believing that consumer spending is a result of estimated future income as opposed to consumption that is based on current after-tax income.
  • Under the theory, if economic policies result in increased income, it will not necessarily translate into increased consumer spending.
  • An individual's liquidity is a factor in their management of income and spending.

Understanding the Permanent Income Hypothesis

The permanent income hypothesis was formulated by the Nobel Prize-winning economist  Milton Friedman  in 1957. The hypothesis implies that changes in consumption behavior are not predictable because they are based on individual expectations. This has broad implications concerning economic policy.

Under this theory, even if economic policies are successful in increasing income in the economy, the policies may not kick off a multiplier effect in regards to increased consumer spending. Rather, the theory predicts that there will not be an uptick in consumer spending until workers reform expectations about their future incomes.

Milton believed that people will consume based on an estimate of their future income as opposed to what Keynesian economics proposed; people will consume based on their in the moment after-tax income. Milton's basis was that individuals prefer to smooth their consumption rather than let it bounce around as a result of short-term fluctuations in income.

Spending Habits Under the Permanent Income Hypothesis

If a worker is aware that they are likely to receive an income bonus at the end of a particular pay period, it is plausible that the worker’s spending in advance of that bonus may change in anticipation of the additional earnings. However, it is also possible that workers may choose to not increase their spending based solely on a short-term windfall. They may instead make efforts to increase their savings, based on the expected boost in income.

Something similar can be said of individuals who are informed that they are to receive an inheritance . Their personal expenditures could change to take advantage of the anticipated influx of funds, but per this theory, they may maintain their current spending levels in order to save the supplemental assets. Or, they may seek to invest those supplemental funds to provide long-term growth of their money rather than spend it immediately on disposable products and services.

Liquidity and the Permanent Income Hypothesis

The liquidity of the individual can play a role in future income expectations. Individuals with no assets may already be in the habit of spending without regard to their income; current or future.

Changes over time, however—through incremental salary raises or the assumption of new long-term jobs that bring higher, sustained pay—can lead to changes in permanent income. With their expectations elevated, employees may allow their expenditures to scale up in turn.

permanent income hypothesis in developing countries

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  2. Table 1 from Does permanent income hypothesis a solution ? An empirical

    permanent income hypothesis in developing countries

  3. Permanent Income Hypothesis: Definition, How It Works, and Impact

    permanent income hypothesis in developing countries

  4. Figure 5 from Does permanent income hypothesis a solution ? An

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COMMENTS

  1. PDF Macroeconomic Policy Frameworks for Resource-Rich Developing Countries

    MPIH Modified Permanent Income Hypothesis MTEF Medium-Term Expenditure Framework NFA Net Foreign Assets NRPB Non-resource Primary Balance PFM Public Financial Management PIH Permanent Income Hypothesis ... resource-rich developing countries (RRDCs).1 Many developing countries are experiencing a "double

  2. PDF Fiscal Frameworks for Resource Rich Developing Countries

    Much of the debate on resource management has been dominated by the permanent income hypothesis (PIH) approach, but recent work has questioned its relevance. Recent research has argued that the PIH is inappropriate in low-income countries (LICs) rich in natural resources, as it ignores that these countries are both capital and credit constrained.

  3. Determinants of Consumption and Savings

    sions on permanent income. We derive the random walk of consumption from the life-cycle-permanent-income hypothesis assuming rational expectations and a fixed interest rate, and we report our empirical results on two excess sensitivity tests of the random-walk hypothesis for developing countries. We then allow interest rates and

  4. PDF The Permanent Income Hypothesis

    The Income Hypothesis THE magnitudes termed "permanent income" and "permanent con-sumption" that play such a critical role in the theoretical analysis cannot be observed directly for any individual consumer unit. The most that can be observed are actual receipts and expenditures during some finite period, supplemented, perhaps, by some verbal ...

  5. PDF Testing the Permanent Income Hypothesis in the Developing and Developed

    on testing the permanent income hypothesis (PIH). Much of the empirical work is on the developed countries where opportunities for inter-temporal substitution are generally higher than in the developing countries. There-fore, it is expected that PIH would be valid for only a smaller proportion of consumers in the developing countries.

  6. [PDF] Testing the permanent income hypothesis in the developing and

    Hall (1978) has stimulated considerable controversy and empirical work on testing the permanent income hypothesis (PIH). Much of the empirical work is on the developed countries where opportunities for inter-temporal substitution are generally higher than in the developing countries. Therefore, it is expected that PIH would be valid for only a smaller proportion of consumers in the developing ...

  7. PDF Poverty, Excess Sensitivity and the Permanent Income Hypothesis

    Poverty, Excess Senstivity and the Permanent Income Hypothesis: Evidence from a Developing Country In this paper we develop a very simple test to measure 'poverty' in a developing country. From evidence on aggregate consumption we obtain an estimate of the proportion of labour income received by consumers who own no physical or financial ...

  8. PDF Testing the Permanent Income Hypothesis in The Developing and Developed

    Keywords: Consumption function, Developing countries, Permanent income hypothesis, Hall's random walk hypothesis, Campbell-Mankiw tests. JEL: E0, E41, E52; I. INTRODUCTION Consumption expenditure is the largest component of output and the marginal propensity to consume (MPC) determines the size of the multiplier and the dynamic effects of shocks

  9. Testing Hall's permanent income hypothesis for a developing country

    Hall has stimulated considerable controversy and empirical work on testing the validity of the permanent income hypothesis (PIH). Much of this work is on the developed countries. In the developing countries per capita incomes show larger fluctuations and for the majority, opportunities for intertemporal substitution are limited.

  10. Measurement errors and the permanent income hypothesis : evidence from

    An extension of Friedman's permanent income model by explicitly allowing for the distinction between pure measurement errors and transitory terms in the observed . ... With 189 member countries, staff from more than 170 countries, and offices in over 130 locations, the World Bank Group is a unique global partnership: five institutions working ...

  11. The permanent income hypothesis in an underdeveloped economy

    After a concise but critical survey of several tests of the permanent income hypothesis (PIH), the authors advance their own test for India using annual data from 1919-1960. ... Some of the theoretical building blocs are reformulated so as to be more realistic for developing countries. Simultaneous equation estimation techniques are applied ...

  12. Permanent income hypothesis

    The permanent income hypothesis (PIH) is a model in the field of economics to explain the formation of consumption patterns.It suggests consumption patterns are formed from future expectations and consumption smoothing. The theory was developed by Milton Friedman and published in his A Theory of Consumption Function, published in 1957 and subsequently formalized by Robert Hall in a rational ...

  13. PDF Testing the permanent income hypothesis in the developing and developed

    work on testing the permanent income hypothesis (PIH). Much of the empirical work is on the developed countries where opportunities for inter-temporal substitution are generally higher than in the developing countries. Therefore, it is expected that PIH would be valid for only a smaller proportion of consumers in the developing countries. This

  14. International Migration, Workers' Remittances and Permanent Income

    Remittance flows to developing countries were estimated at $436 billion in 2014, ... Based on the permanent income hypothesis, we argue that because of this temporary income increase, migrant families save and potentially invest the remitted money, thus promoting economic growth.

  15. PDF Income and Consumption in Bangladesh- An Analysis of the Permanent

    The permanent income hypothesis has been highly contested for its viability in developing countries, such as Bangladesh, where the greater population can be characterized by subsistence living.

  16. Testing the permanent income hypothesis in the developing an

    Downloadable! Hall (1978) has stimulated considerable controversy and empirical work on testing the permanent income hypothesis (PIH). Much of the empirical work is on the developed countries where opportunities for inter-temporal substitution are generally higher than in the developing countries. Therefore, it is expected that PIH would be valid for only a smaller proportion of consumers in ...

  17. Testing Hall's permanent income hypothesis for a developing country

    Hall (1978) has stimulated considerable controversy and empirical work on testing the validity of the permanent income hypothesis (PIH). Much of this work is on the developed countries. In the developing countries per capita incomes show larger fluctuations and for the majority, opportunities for intertemporal substitution are limited. This paper uses the extended framework of Campbell and ...

  18. Permanent Income Hypothesis: Definition, How It Works, and Impact

    Permanent Income Hypothesis: A permanent income hypothesis is a theory of consumer spending which states that people will spend money at a level consistent with their expected long term average ...

  19. The permanent income hypothesis in an underdeveloped economy

    After a concise but critical survey of several tests of the permanent income hypothesis (PIH), the authors advance their own test for India using annual data from 1919-1960. ... that the differences between national income and personal disposable income were very small--as could be expected in developing countries. When deflated by price ...

  20. [PDF] Does permanent income hypothesis a solution ? An empirical

    This paper focuses on medium term policy options in the economic context of natural resources depletion. In particular, we assess for the first time the adoption of permanent income hypothesis in dynamic CGE model. The model is benchmarked in oil country with declining production, namely Cameroon. The results show that the permanent income hypothesis (PIH) renders public finances less ...

  21. Does permanent income hypothesis hold for some selected African

    This paper empirically examines the validity of the Permanent Income Hypothesis for six developing African countries: Cameroon, Ghana, Kenya, Nigeria, Senegal, and South Africa. The study uses the modified Dickey-Fuller unit root (GLS) test to determine stationarity of real income and consumption. It also applies Gregory and Hansen (1996) test for cointegration, and Phillips and Hansen (1990 ...

  22. The permanent income hypothesis in underdeveloped countries

    The permanent income hypothesis in underdeveloped economies: Additional evidence. Journal of Development Economics ... (1973) M.J. Fry Monetary policy and domestic saving in developing ESCAP countries. Economic Bulletin for Asia and the Pacific (1978) M.J. Fry Money and capital or financial deepening in economic development? Journal of Money ...

  23. The permanent income hypothesis in underdeveloped economies

    Semantic Scholar extracted view of "The permanent income hypothesis in underdeveloped economies:: Additional evidence" by M. Fry. ... Pennanent Income, Inflation Expectations and the Money Demand Function in Developing Countries. A. Khan. Economics. 1982;