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51.
The paper analyzes the dynamic effects of a total factor productivity shock and an interest rate risk premium shock in a highly indebted open economy. In contrast to the standard open economy framework, search unemployment and wage bargaining are introduced. We find that a negative total factor productivity shock primarily has effects on the economy's production side and on welfare, but not on its stock of foreign debt and the country specific risk premium, and large part of the adjustment happens in the short-run. In contrast, a pure increase in the country specific risk premium causes substantial dynamics and a considerable reduction in foreign debt, allowing higher consumption in the long run and creating an intertemporal welfare gain, even though unemployment increases strongly in the short-run. A 50% haircut of foreign debt significantly reduces the initial response of the unemployment rate. In case of a temporary productivity shock, sticky wages imply smaller employment, but generate higher welfare than flexible wages. 相似文献
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The growth path of a mixed open urban economy is considered. In the private sector profit maximizing firms produce an all-purpose output with labor, capital and public infrastructure. Workers move between the urban area and the rest of the nation so as to increase their real income which is the sum of wages and income derived from the use of the urban infrastructure. The public sector determines infrastructure investments so as to maximize the current value of future per capita felicity. Infrastructure has public good characteristics and is used jointly by firms and workers. The urban growth path is derived and public sector policies are analyzed. 相似文献
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Lucie Sirieix Gilles. Grolleau Burkhard Schaer 《International Journal of Consumer Studies》2008,32(5):508-515
We conducted two qualitative surveys to identify whether food miles, defined as the distance that foodstuff travels between the production location and the consumption marketplace, matter for French consumers. First, two focus groups with ‘conventional’ consumers show that distance is a multidimensional concept, both positively and negatively perceived, and that most consumers are not concerned by food miles and their subsequent environmental impact. Second, 10 face‐to‐face interviews with consumers of locally grown organic food demonstrate that these consumers purchase local food for other reasons than reducing ‘food miles’ and buy imported organic food in spite of increased food miles. We shed light on this situation using theoretical concepts from economics and psychology. Some implications for policymakers and marketers are stressed. 相似文献
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This paper analyses land-use patterns in a closed only when experiences a discontinuous population change that is anticipated by developers. At each location, developers choose among five development strategies: constructing a building at time zero which is left standing forever, constructing a building at time zero and replacing it at the date τ of the population change, farming the land until τ, with residential development thereafter, and vice-versa, farming the land continuously. By deriving admissable spatial patterns for these five strategies, the analysis is able to characterize the spatial and temporal pattern of land-use in a closed city. 相似文献
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Engles ARCH test has become the standard test for ARCH effectsin applied work. Under non-normality the true rejection probabilityof this test can differ substantially from the nominal level,however. Bootstrap and Monte Carlo versions of the test maythen be used instead. This paper proposes an alternative testprocedure. The new test exploits the empirical distributionof the data and an extended probability integral transformation.The test is compared with the former tests in Monte Carlo experiments.Under normality, the new test works as well as the conventionalMonte Carlo test and the bootstrap. Under non-normality, thetest tends to be more accurate and more powerful than the bootstrappedARCH test. The procedure is then used to test for ARCH effectsin S&P 500 returns sampled at different frequencies. Incontrast to the standard and the bootstrapped ARCH tests, thenew test detects ARCH effects in the transformed low-frequencyreturns. 相似文献
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The money-age distribution is hump-shaped for the US post-war economy. There is no clear-cut relation between the variation of money holdings within generations and age. Furthermore, money is found to be only weakly correlated with both income and wealth. We analyze three motives for money demand in an overlapping generations setup in order to explain these observations: (1) money-in-the-utility, (2) an economy with costly credit service, and (3) limited-participation. All three models are consistent with the hump-shaped relation between average money holdings and age, yet they predict a much closer association between money holdings, income, wealth, and age than we find in the data. Only the limited-participation model partly replicates the low bivariate correlation between money and income as well as between money and interest-bearing assets. None of the three models satisfactorily explains these stylized facts. 相似文献