By L. Phlips

ISBN-10: 0444865314

ISBN-13: 9780444865311

This quantity hyperlinks the summary concept of call for with its econometric implementation. workouts lead the reader from hassle-free application maximization to the main refined contemporary options, highlighting the most steps within the old evolution of the topic.

The first half offers a quick dialogue of duality and versatile kinds, and particularly of Deaton and Muellbauers ``almost excellent call for method. half comprises the authors paintings on real salary indexes, and on intertemporal application maximization.

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Additional resources for Applied Consumption Analysis

Sample text

Discuss separately the cases where i = j and i φ j . 16. 13. We know that the (total) substitution effect ku is not affected by monotonie increasing transformations of the utility function. 27) are not invariant. Hint: We know that ki} is invariant because it can be written as dxjdpj + Xjidxjdy). All the elements in this expression are indeed invariant. 27). The adjectives 'specific' and 'general' are well chosen. The first indicates that the corresponding component depends upon the specific relation (in terms of ui3) between good i and good j .

T o see this, consider a forecast to be made for the expenditures on each of η goods. The restriction implies that the sum of the forecasts for the individual expenditures has to exactly equal the predicted total expenditures over the entire forecasting period. Again (and fortunately) this will be automatically the case if the demand system is derived by constrained maximization of a duly specified utility function. Otherwise one has to resort to appropriate mathematical devices (such as the use of linear functions) which ensure additivity.

Answer: As dy/dpj = x} we find dx( dXi dpj Can we derive restrictions on the income effect? N o . All we can say is that the greater dxjdy or xb the greater it is in absolute value. The presence of the former element is not surprising. The presence of x, can be understood intuitively: when the price of a matchbox rises I do not lose much purchasing power (x, is small) but when my rent (large x,) is increased things are very different as my rent represents a large part of my budget. Economic theory has nothing to say about the sign of the income effect, in the absence of a particular specification of the utility function.