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61.
In this paper we examine the stochastic behavior of short‐run interest rates in several emerging countries using fractional integration techniques. We allow for a much richer flexibility in the dynamic behavior of the series than the classical representations based on I(0) or I(1) processes. It appears that for Singapore and Thailand nominal interest rates are mean‐reverting, whereas for Mexico, Malaysia, the Philippines, and Korea, the presence of a unit‐root test depends on the assumptions regarding the residuals’ autocorrelation. The results also suggest that uncovered interest parity (UIP) can only hold for two emerging countries. For the other countries, the stabilization policies in the aftermath of the currency crises have led to the rejection of the UIP hypothesis. 相似文献
62.
We simulate the performance of a simple production system in which due-dates are set internally. We investigate priority rules aimed at minimizing tardiness, emphasizing a “modified duedate rule” which functions effectively in conjunction with internally-set deadlines and which adapts to both tight and loose conditions in the due-dates. This rule is simple and logical, and shows considerable promise for application in complex production systems. 相似文献
63.
Bertrand Le Gallic 《Ecological Economics》2008,64(4):858-866
Illegal, Unreported and Unregulated (IUU) fishing activities are a threat for both the marine environment and society. By undermining effective management systems, IUU fishing activities affect economic performance, social welfare and compliance decisions. So far, “traditional” control and surveillance-like measures have had a limited success in deterring IUU fishing, so this paper aims at throwing light on several forms of trade-related initiatives that can be more effective. The paper suggests that both the effectiveness and further development of such measures strongly depend on the way they are designed, especially with respect to their trade-law compatibility. However, current discussions on future trade-based policy developments within some key economic areas suggest that trade measures are a sound option for policy makers. While the paper focuses on fisheries issues, it is also expected to inform the international debate surrounding the sustainable use of natural resources in general, as many sectors face similar biodiversity and trade challenges (e.g. tropical forest, mangroves, etc.). 相似文献
64.
We determine the optimal exploitation time-paths of two energy resources, one being depletable and polluting, namely a fossil fuel, the other being renewable and clean. These optimal paths are considered along with the two following features. First, the cumulative atmospheric pollution stock is set not to exceed some critical threshold and second, the polluting emissions produced by the use of fossil fuel can be reduced at the source and stockpiled in several carbon sinks of limited capacity. We show that, if the renewable resource flow is abundant, the optimal path requires that sequestration is implemented only once the ceiling is reached. Moreover, the reservoirs should be completely filled by increasing order of their respective sequestration costs. 相似文献
65.
J. M. Albala‐Bertrand 《International Review of Applied Economics》2007,21(2):189-205
Focusing on core‐infrastructure capital vis‐à‐vis productive capital, we propose a macroeconomic method to estimate their optimal utilisation ratio in production and their relative shortage in any period. The method is based on an adapted two‐gap model, estimated via linear programming, with application to Chile and Mexico over the 1950–2000 period. Core infrastructure appears to support a variable level of productive investment, relative capital shortage alternating and imposing constraints on potential output over time. This suggests an optimal investment trade off, based on a social opportunity cost that derives from the prevailing gap in any period. 相似文献
66.
This paper investigates banking and sovereign distress in the Eurozone and the importance of direct and indirect financial exposures. We use BIS cross-border banking claims to link member states in a GVAR framework and jointly model sectoral CDS premia. Based on balance sheet positions of an intermediate debtor country, we calculate indirect exposures and asses how the level of interconnectedness is impacted when indirect links are accounted for. We notice a general slowdown in financial integration and a reduction in cross-border assets in the hope of limiting international contagion. By differentiating between direct and indirect links, we show that the impact of reduced weights on core member states is mostly insignificant and that deleveraging strategies are not generally able to successfully reduce risk. 相似文献
67.
Abstract This note extends earlier results which concluded that generally technical analysis trading rules were profitable when applied to several US dollar exchange rates. These results were linked to the presence of long swings in the dollar series, and here, it is tested whether they still hold in a different setting, with a quasi-fixed exchange rate system. Applying non-parametric and parametric tests to the main European currencies does not allow to confirm, in this case, the profitability of these rules. These results strengthen the likelihood of the hypothesis of a causal link from the exchange rate DGP to the profitability of technical analysis trading rules, as already highlighted in several articles. 相似文献
68.
We consider a simple general equilibrium model with imperfect competition. Firms are price takers in the input market and
compete à la Cournot in some or all of the product markets and their technologies display constant returns to scale. We show
that an increase in the number of firms in a given sector does not always improve welfare. We also provide a characterization
in terms of mark-up rates of the sectors for which entry is welfare enhancing. Our results challenge the common idea that
mergers with no cost synergy are not desirable for consumers. 相似文献
69.
70.
Bertrand P. Quéré Geneviève Nouyrigat C. Richard Baker 《Journal of Business Ethics》2018,148(3):527-544
Research focusing on the relationship between measures of Corporate Social Responsibility (CSR) and company financial performance has led to mixed results in the North American context. In addition, the ethical attitudes and approaches toward CSR investments of both companies and rating agencies are not necessarily the same in Europe and the United States. In this study, we use CSR ratings issued by a major European CSR ratings agency (Vigeo) to examine in a bi-directional manner the relationships between CSR ratings and financial performance in the European context. By bi-directional, we mean an examination of the relationship between prior CSR ratings and subsequent accounting and financial performance and reciprocally, the impact of accounting and financial performance of year N ? 1 on CSR ratings of year N. Our principal findings are: (1) the greater the market capitalization of a company, the higher the Vigeo rating, (2) the higher the risk of the company, the lower the Vigeo rating, and (3) the greater the stock market return of a company, the lower the Vigeo rating. Based on these findings, we propose (1) a concept of “political visibility” pursuant to which enterprises of a greater size are exposed to greater pressure to conform to norms of socially acceptable behavior, (2) a concept of “priorities” in which enterprises that have resolved their most urgent financial needs have a greater ability to invest in CSR, (3) a concept of “rating downgrading” which reveals the sanctioning role of the rating agency from an ethical standpoint. 相似文献