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91.
92.
Andrea Ariu Elena Biewen Sven Blank Guillaume Gaulier María Jesus Gonzlez Philipp Meinen Daniel Mirza Cesar Martín Patry Tello 《The World Economy》2019,42(2):564-589
This paper uses detailed micro data on services exports at the firm–destination–service level to analyse the role of firm heterogeneity in shaping aggregate services exports in Belgium, France, Germany and Spain from 2003 to 2007. We decompose the level and the growth of aggregate services exports into different trade margins paying special attention to firm heterogeneity within countries. We find that the weak export growth of France is at least partly due to poor performance by small exporters. By contrast, small exporters are the most dynamic contributors to the aggregate exports of Belgium, Germany and Spain. Our results highlight the importance of firm heterogeneity in understanding aggregate export growth. 相似文献
93.
The collective action problem: Within-group cooperation and between-group competition in a repeated rent-seeking game 总被引:1,自引:0,他引:1
Guillaume Cheikbossian 《Games and Economic Behavior》2012,74(1):68-82
This paper analyzes the ability of group members to cooperate in rent-seeking activities in a context of between-group competition. For this purpose, we develop an infinitely repeated rent-seeking game between two groups of different size. We first investigate Nash reversion strategies to support cooperative behavior in both groups, before analyzing double-edge trigger strategies which support cooperation in one group only. These last strategies have the property that cheating on the agreement in the cooperative group is followed by non-cooperation in this group and cooperation in the rival group. The main conclusion is that the set of parameters for which cooperation can be sustained within the larger group as a subgame perfect outcome is as large as that for which cooperation can be sustained in the smaller group. Hence, in contrast to Olson?s (1965) celebrated thesis, but in accordance with many informal and formal observations, larger groups can be as effective as smaller groups in furthering their interests. 相似文献
94.
Guillaume Leduc Ignazio Mongelli Andreas Uihlein Françoise Nemry 《Transport Policy》2010,17(6):409-419
This paper presents a systematic overview of the environmental impacts of new average diesel and petrol cars from a life cycle perspective. An analysis of different technical and non-technical improvement options that could be achieved at each stage of a car’s life cycle was performed. The consequences of the adoption of these options on the environment were estimated. The results show that some of the options analysed could have a major positive impact on the vehicle efficiency and induce large improvements of the environmental profile of passenger cars. The highest improvements are achievable through more efficient power trains (including hybrid car), and through lightweight cars. For some options, burden shifts from one car life cycle phase to another, or from one environmental problem to another, can occur. The results show that besides the purely technological options, those that imply behavioural changes by the driver may also reduce the environmental burden substantially. 相似文献
95.
Guillaume Gilquin 《Wirtschaftsdienst》2014,94(6):420-427
Although Germany’s banking sector has experienced a wave of consolidation, especially since the financial crisis, the country is still home to a high number of banking institutions. When domestic economic activity was sluggish in the mid-2000s, German banks searched for sources of income abroad; some of them have massively invested in structured products. As a consequence, the financial crisis of 2007–2009 has hit German banks harder than those from other eurozone countries. The European Commission has played a key role in restructuring the sector, asking in particular that banks which have received state aid strongly reduce their balance sheets — and ordering the liquidation of one of them. Since 2010 the German banking sector has returned to the profit zone and appears more robust thanks to an increase of equity and a reduction of balance sheets. The leverage ratio remains nevertheless significant, profitability remains low in a context of strong competition on the domestic market, and some banks find themselves deeply affected by the crisis of the shipping sector. 相似文献
96.
97.
We show that one of the main results in Chen and Sönmez (2006, 2008) [6] and [7] does no longer hold when the number of recombinations is sufficiently increased to obtain reliable conclusions. No school choice mechanism is significantly superior in terms of efficiency. 相似文献
98.
Guillaume Rocheteau 《Journal of Monetary Economics》2011,58(3):191-205
Informational asymmetries regarding the future value of assets affect their role in exchange. I construct a random-matching economy composed of two assets: a risk-free bond and a Lucas tree whose terminal value is privately known to its holder. No restrictions are imposed on payment arrangements. The main finding supports a pecking-order theory of payments: Agents use their risk-free bonds first in order to finance their spending shocks, and they use their information-sensitive assets only if their holdings of bonds are depleted. The theory has implications for the optimal provision of risk-free bonds, the structure of asset returns, and liquidity. 相似文献
99.
The paper presents the findings related to the stages of life cycle of authenticity where Kazakhstani nomadic culture in a post-Soviet heritage evolves towards tourist consumption. Using a qualitative case-study research approach, the analysis of data traces stakeholders’ perception of authenticity of various elements of Kazakhstani cultural tourism. The study intertwines inextricably with the processes of authenticity, commodification and cultural change as Kazakhstani traditions have evolved to a neo-nomadic tourism culture where authenticity becomes a currency at play and a point of differentiation from other tourism destinations. The findings offer an original approach to understand the transformation of authenticity at various stages of Kazakhstani tourism development and explore how authenticity is positioned in the influx of tourists and supporting roles from local governments and organisations. 相似文献
100.
Guillaume Bernis 《Quantitative Finance》2017,17(2):275-288
We develop an alternative to the beta coefficient of the CAPM theory. We show the link between this notion and the Wiener chaos expansion of the underlying processes. In the setting of Markov diffusions, we define the drift-neutral beta, which is the quantity of benchmark such that the resulting portfolio is immune to an infinitesimal change of drift on the Brownian motion driving the benchmark. Our approach yields a coefficient which in many practical cases depends on the initial values of both the portfolio and its benchmark. It can also be used to take into account extreme risks and not only the variance. We study several classical diffusion processes and give a full analysis in the case of Jacobi processes. Examples with credit indices show the efficiency of the method in hedging a portfolio. 相似文献