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961.
Jo?o?R.?Faria Paulo?R.?A.?Loureiro Franklin?G.?MixonJr.Email author Adolfo?Sachsida 《The Review of Black Political Economy》2016,43(3-4):273-288
This paper investigates whether minorities in academe exercise bargaining power in a way that influences hiring of other minority faculty. We develop a stylized model that shows how minorities influence the hiring of other minorities, taking into account the hiring of majority faculty. We postulate that such behavior is similar to the behavior of insider workers in the context of the insider-outsider literature. 相似文献
962.
Tae-Hee Jo 《Journal of economic issues》2016,50(2):327-344
Inspired by Frederic (“Fred”) S. Lee’s theoretical contribution to institutional-heterodox economics, I make the case that the neoclassical price mechanism is not only flawed, but also irrelevant for the study of actual coordination mechanisms, hence the price mechanism — as a theory as well as a way of thinking — should be discarded. While this position was addressed by early institutionalists, starting with Thorstein Veblen, later institutionalists have not completely rejected the price mechanism. The sympathy for the price mechanism has prevented institutionalists (and other heterodox economists) from fully developing an alternative theoretical framework concerning how actual economic activities are organized. I, therefore, provide an institutionalist-heterodox framework of the provisioning process focusing on business enterprise activities. This framework shows how institutional economics becomes more refined and useful when it is married to other traditions in heterodox economics, in particular, Marxian, social, and post-Keynesian economics. Such an integrative approach is what Fred Lee showed through his work toward producing a better theory and policy for the underlying population. 相似文献
963.
Pablo Emilio Escamilla García María Elena Tavera Cortés Raúl Junior Sandoval Gómez Edmar Salinas Callejas Horacio Eliseo Alvarado Raya 《Applied economics》2016,48(59):5761-5771
This article highlights the main aspects related to energy generation from biogas in a controlled landfill of Mexico City in order to determine profits and environmental benefits. The designed structures and public policies to provide waste management services in Mexico City have been exceeded. A significant increase in demand has led the government of Mexico City to base public services on rudimentary techniques using obsolete equipment. The modernization of waste disposal facilities and the diversification of services linked to waste treatment can offer several business opportunities to optimize energy generation from solid wastes. The use of landfills to dispose large amounts of waste enables the energy generation from biogas. The energy generated can diversify the electricity market and provide economic benefits to landfills managers to cover operational costs. 相似文献
964.
We assess the sustainability of public finances in OECD countries using unit root and cointegration analysis, controlling for endogenous breaks. Results deem fiscal sustainability as rather elusive since we find lack of cointegration – absence of sustainability – between government revenues and expenditures (except for Austria, Canada, France, Germany, Japan, Netherlands, Sweden and UK); improvements of the primary balance after worsening debt ratios only for Australia, Belgium, Germany, Ireland, Netherlands and the UK; and Granger causality from government debt to primary balances for 12 countries (suggesting Ricardian regimes). 相似文献
965.
Abstract
The aim of this paper is to study the differentiability property of optimal paths in dynamic economic models. We address this
problem from the point of view of the differential calculus in sequence spaces which are infinite-dimensional Banach spaces.
We assume that the return or utility function is concave, and that optimal paths are interior and bounded. We study the C
r
differentiability of optimal paths vis-à-vis different parameters. These parameters are: the initial vector of capital stock,
the discount rate and a parameter which lies in a Banach space (which could be the utility function itself). The method consists
of applying an implicit function theorem on the Euler–Lagrange equation. In order to do this, we make use of classical conditions
(i.e., the dominant diagonal block assumption) and we provide new ones.
Mathematics Subject Classification (2000): 90A16, 49K40, 93C55
Journal of Economic Literature Classification: C161, D99, O41 相似文献
966.
Educational Inequality and the Expansion of UK Higher Education 总被引:4,自引:0,他引:4
In this paper we explore changes over time in higher education (HE) participation and attainment between people from richer and poorer family backgrounds during a time period when the UK higher education system expanded at a rapid rate. We use longitudinal data from three time periods to study temporal shifts in HE participation and attainment across parental income groups for children going to university in the 1970s, 1980s and 1990s. The key finding is a highly policy relevant one, namely that HE expansion has not been equally distributed across people from richer and poorer backgrounds. Rather, it has disproportionately benefited children from relatively rich families. Despite the fact that many more children from higher income backgrounds participated in HE before the recent expansion of the system, the expansion acted to widen participation gaps between rich and poor children. This finding is robust to different measures of education participation and inequality. It also emerges from non‐parametric estimations and from a more detailed econometric model allowing for the sequential nature of education choices with potentially different income associations at different stages of the education sequence. 相似文献
967.
De Villemeur Etienne Billette Cremer Helmuth Roy Bernard Toledano Joëlle 《Journal of Regulatory Economics》2003,24(1):49-62
This paper studies the optimal price structure in the postal sector when worksharing is available (e.g., for collection, sorting and transportation) and when the operator faces a break-even constraint. Users differ in opportunity and cost to engage in worksharing. We determine the optimal worksharing discount and provide sufficient conditions (on demand functions) under which it exceeds the ECPR level. Furthermore, we show that the optimal prices can be implemented through a global price cap imposed on a weighted average of the prices of all products. The appropriate weights are proportional to the market demand (evaluated at optimal prices) of the corresponding products. 相似文献
968.
Barriers to knowledge spillovers and regional convergence in an evolutionary model 总被引:21,自引:0,他引:21
This paper will present a multi-region/multi-country model in which inter-regional knowledge spillovers determine the growth
of regions. Key parameters in the model are the learning capability of a region and the rate of knowledge generation (R&D).
The intensity of spillovers depends on geographical distance between regions. The model is investigated by means of simulation
techniques. What results is a core-periphery situation, the exact form of which depends on the assumed spatial structure.
The impact of economic integration is investigated by introducing barriers-to-knowledge-spillovers in the model in the form
of borders between countries. Contrary to the popular belief and some economic theories, we find that removing such spillover
barriers may result in larger disparity of income levels between regions. 相似文献
969.
Michel Baroni Fabrice Barthélémy Mahdi Mokrane 《The Journal of Real Estate Finance and Economics》2008,37(3):233-264
Index-based derivatives markets are fast developing in Europe, the US and Asia. Both valuation based and transactions based
indices are used as bases for these derivatives contracts. This paper addresses the issue of revision effects on key index
parameters, and their implications for derivatives pricing and questions whether these indices may be suitable for derivatives.
More specifically, we address the issue of the robustness of the price level, mean, and volatility estimates for two repeat
sales real estate price indices: the classical Weighted Repeat Sales (WRS) method and a Principal Component Analysis (PCA)
factorial method, as elaborated in Baroni et al. (J Real Estate Res, 29(2):137–158, 2007). Our work is an extension of Clapham
et al. (Real Estate Econ, 34(2):275–302, 2006), with the aim of helping judge the efficiency of such indices in designing
real estate derivatives. We use an extensive repeat sales database for the Paris (France) residential market. We describe
the dataset used and compute the parameters (index price level, trend and volatility) of the indices produced over the period
1982–2005. We then test the sensitivity of these two indices to revisions due to additional repeat-sales transactions information.
Our analysis is conducted on the overall Paris market as well as on sub-markets. Our main conclusion is that even if the revision
problem may cause substantial concern for the stability of key parameters that are used as inputs in the pricing of derivatives
contracts, the order of magnitude of revision on derivatives pricing is not sufficient to deter market participants when it
comes to products such a swap contract or insurance contracts against severe losses. We also show that WRS and PCA react differently
to revision. The impact of index revision is non negligible in estimating the index price level for both indices. This result
is consistent with existing literature for the US and Swedish markets. Price level revision causes moderate concern when trading
products such as index futures or price insurance contracts, but could deter option like products. We show that managing this
price level revision risk is similar to delta hedging in standard option pricing theory. We also find that although revision
impact on index trend can be important, the WRS method seems more robust than PCA. However, the trend revision impact order
of magnitude for contracts such as total return swaps is low. Finally, revision influence on volatility estimates seems to
have a modest impact on derivatives, and according to the robustness of the volatility estimate, the PCA factorial index seems
to fare relatively better than the WRS index. Hence, our findings show that the factorial index could better sustain volatility
based derivatives. We also show that whatever the index, managing this volatility revision risk is similar to vega hedging
in option pricing theory.
相似文献
Mahdi MokraneEmail: |
970.
João Amador Sónia Cabral Rossana Mastrandrea Franco Ruzzenenti 《Open Economies Review》2018,29(5):1039-1059
This paper represents global value chains (GVCs) as weighted networks of foreign value added in exports, which allows for the identification of the specific roles of countries and for the quantification of their relative importance over time. A major structural change occurred in the beginning of the century as GVCs steadily turned into global networks, amid an unprecedented growth of value-added flows and the rise of China as a major player. First-order network metrics highlight the vital but also distinct roles of Germany, the US, China and Japan in the international organisation of production. Germany is very relevant both as a user and as a supplier of foreign inputs, whilst the US acts mostly as a supplier of value added to other countries. Second-order properties of networks shed light on the complex architecture of GVCs, notably in terms of cyclical triangular relationships. Germany’s GVCs mostly root in direct relationships, whilst Japanese ones typically involve more than two countries. 相似文献