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71.
Quality & Quantity - There is no unified theory of causality in the sciences and in philosophy. In this paper, we focus on a particular framework, called structural causal modelling (SCM), as... 相似文献
72.
Guillaume Rocheteau 《Journal of Economic Theory》2012,147(3):1261-1279
I apply mechanism design to quantify the cost of inflation that can be attributed to monetary frictions alone. In an environment with pairwise meetings, the money demand that is consistent with an optimal, incentive feasible allocation takes the form of a continuous correspondence that can fit the data over the period 1900–2006. For such parameterizations, the cost of moderate inflation is zero. This result is robust to the introduction of match-specific heterogeneity and endogenous participation decisions. 相似文献
73.
Guillaume R. Fréchette Alvin E. Roth M. Utku Ünver 《The Rand journal of economics》2007,38(4):967-982
Many markets have “unraveled” and experienced inefficient, early, dispersed transactions, and subsequently developed institutions to delay transaction timing. It has previously proved difficult, however, to measure and identify the resulting efficiency gains. Prior to 1992, college football teams were matched for post‐season play up to several weeks before the end of the regular season. Since 1992, the market has reorganized to postpone this matching. We show that the matching of teams affects efficiency as measured by the resulting television viewership, and that the reorganization promoted more efficient matching, chiefly as a result of the increased ability of later matching to produce “championship” games. 相似文献
74.
Dominique M. Guillaume Michel M. Dacorogna Rakhal R. Davé Ulrich A. Müller Richard B. Olsen Olivier V. Pictet 《Finance and Stochastics》1997,1(2):95-129
This paper presents stylized facts concerning the spot intra-daily foreign exchange markets. It first describes intra-daily
data and proposes a set of definitions for the variables of interest. Empirical regularities of the foreign exchange intra-daily
data are then grouped under three major topics: the distribution of price changes, the process of price formation and the
heterogeneous structure of the market. The stylized facts surveyed in this paper shed new light on the market structure that
appears composed of heterogeneous agents. It also poses several challenges such as the definition of price and of the time-scale,
the concepts of risk and efficiency, the modeling of the markets and the learning process. 相似文献
75.
This study analyzes economies with an essential role for liquid assets in the exchange process. The model can generate multiple stationary equilibria, across which asset prices, market participation, capitalization, output and welfare are positively related. It can also generate a variety of nonstationary equilibria, even when fundamentals are deterministic and time invariant, including periodic, chaotic and stochastic (sunspot) equilibria with recurrent market crashes. Some equilibria have asset-price trajectories that resemble bubbles growing and bursting. Endogenous private and public liquidity is also introduced. Sometimes it is efficient to provide enough liquid assets to satiate demand; other times it is not. 相似文献
76.
Patrick Fève Julien Matheron Jean‐Guillaume Sahuc 《Oxford bulletin of economics and statistics》2009,71(6):883-894
The aim of this paper is to complement the minimum distance estimation–structural vector autoregression approach when the weighting matrix is not optimal. In empirical studies, this choice is motivated by stochastic singularity or collinearity problems associated with the covariance matrix of impulse response functions. Consequently, the asymptotic distribution cannot be used to test the economic model's fit. To circumvent this difficulty, we propose a simple simulation method to construct critical values for the test statistics. An empirical application with US data illustrates the proposed method. 相似文献
77.
Guillaume Vandenbroucke 《International Economic Review》2008,49(1):81-110
The U.S. economic development in the 19th century was characterized by the westward movement of population and the accumulation of productive land in the West. This article presents a model of migration and land improvement to identify the quantitatively important forces driving these phenomena. The conclusion is that the decrease in transportation costs induced the westward migration, whereas population growth was responsible for the investment in productive land. 相似文献
78.
Guillaume Dumont Stefano De Marco Ellen Johanna Heslper 《New Technology, Work and Employment》2024,39(1):89-108
How do people experience the platform-mediated job search process? We explore this question based on a sample of in-depth interviews (n = 20) with low-qualified, unemployed Spanish job seekers. Our main finding shows that the ways they use Information and Communication Technologies negatively impact their engagement in online job search activities. Based on our findings, we develop a framework of online job search discouragement revolving around crafting online profiles, applying for jobs, reviewing application statuses and integrating the tensions these activities carry for the experience and the outcome of the platform-mediated job search. 相似文献
79.
This paper studies duopoly in which two-sided platforms compete in differentiated products in a two-sided market. Direct competition on both sides leads to results that depart from much of the current literature. Under some conditions the unique equilibrium in pure strategies can be computed. It features discounts on one side and muted differentiation as the cross-market externality intensifies competition. Less standard, that equilibrium fails to exist when the externality is too powerful (that side becomes too lucrative). A mixed-strategy equilibrium always exists and is characterized. These results are robust to variations in the extensive form. The model may find applications in the media, internet trading platforms, search engine competition, social media or even health insurance (HMO/PPO). 相似文献
80.
The gift-exchange game is a form of sequential prisoner's dilemma, developed by Fehr et al. (1993), and popularized in a series of papers by Ernst Fehr and co-authors. While the European studies typically feature a high degree of gift exchange, the few U.S. studies provide some conflicting results. We find that the degree of gift exchange is surprisingly sensitive to an apparently innocuous change—whether or not a comprehensive payoff table is provided in the instructions. We also find significant and substantial time trends in responder behavior. 相似文献