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In this paper we revise and extend the theory of the evaluation of public investments under uncertainty. Precisely, we argue that the value of the investments that the public sector would be willing to undertake is never below its market value, and that it can be higher if it provides social insurance. 相似文献
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Andrew Kerr Patrizio Piraino Vimal Ranchhod 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2017,85(4):515-532
In this paper, we estimate the extent and targeting of affirmative action at the University of Cape Town (UCT), a large public university in South Africa. To do this we use admissions data from the UCT, as well as South African population census data and administrative enrolment and graduation data from the South African Department of Higher Education. We find that affirmative action does have a significant effect on the racial distribution of who is made an offer by the university. We also find that affirmative action is well targeted, with those who we estimate to be beneficiaries being of much lower socioeconomic status than those who we estimate are displaced by affirmative action. Beneficiaries of affirmative action have low graduation rates on average, with those beneficiaries who attend UCT being less likely to graduate than those beneficiaries who enrol at other public universities. 相似文献
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This study assesses the influence of ethnocentrism on food buying decisions by a specific group of sojourners—namely, international university students—by distinguishing the results observed in relation to gender differences from those detected without any consideration of gender differences. On the basis of an exhaustive review of relevant literature, this study offers several research hypotheses pertaining to the influence of ethnocentrism on evaluations of alternatives, choices, and post-purchase stages. To test these hypotheses, the authors collected data from a sample of university foreign students enrolled in a Spanish university, and then submitted these data to diverse principal components factorial analyses and linear parametric regressions. The results show that a consideration of gender makes a great difference, in that the influence of ethnocentrism is much greater in the food buying decision process for male sojourners. These results have major implications for key stakeholders such as food manufacturers, importers, retailers, and universities. 相似文献
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The paper shows that a monetary policy regime that allows for a positive inflation rate disciplines monopolistic wages setters if these, when setting contracts, internalize the consequences of their choices for economic outcomes over the life of the contract. We also show that discretionary monetary policy has real effects when wage setters are non atomistic, whereas commitment to a positive inflation rate is effective irrespective of the degree of labor market centralization. Finally, the model may explain the different unemployment dynamics in Europe and in the United States, following the 1980 disinflationary episode. Our approach suggests that disinflation induced an adverse effect on the labor market wedge and that such effect was stronger in Europe, due to the particular importance of large wage setters. 相似文献
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Patrizio Tirelli 《Open Economies Review》1991,2(1):65-82
This paper evaluates the current-account implications of coordinated disinflationary policy in a two-country framework, when fiscal policy is assigned to control inflation and monetary policy is used to hold down the exchange rate at its target zone level. The performance of an alternative regime, where monetary policy controls inflation and fiscal policy is assigned to control the current account is also assessed. 相似文献
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Andrea Colciago Tiziano Ropele V. Anton Muscatelli Patrizio Tirelli 《Review of International Economics》2008,16(3):591-610
We assess the role of national fiscal policies, as automatic stabilizers, within a monetary union. We use a two‐country New Keynesian DSGE model, incorporating non‐Ricardian consumers and a home bias in national consumption. Fiscal policy directly stabilizes non‐Ricardian agents' consumption. By doing so it contributes to the reduction in the volatility of variables such as output, wage inflation, and real interest rates. Our analysis of country‐specific shocks does not suggest potential inter‐country conflicts (as long as policies are constrained within the automatic stabilizers framework). However, we detect a potential conflict between the two consumer groups, because fiscal policy may raise optimizing agents' consumption volatility. 相似文献
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Giovanni Di Bartolomeo Patrizio Tirelli Nicola Acocella 《Journal of Macroeconomics》2012,34(2):391-403
Empirical contributions show that wage re-negotiations take place while expiring contracts are still in place. This is captured by assuming that nominal wages are pre-determined. As a consequence, wage setters act as Stackelberg leaders, whereas in the typical New Keynesian model the wage-setting rule implies that they play a Nash game. We present a DSGE New Keynesian model with pre-determined wages and money entering the representative household’s utility function and show how these assumptions are sufficient to identify an inverse relationship between the inflation target and the wage markup (and thus employment) both in the short and the long run. This is due to the complementary effects that wage claims and the inflation target have on money holdings. Model estimates suggest that a moderate long-run inflation rate generates non-negligible output gains. 相似文献