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101.
Fabio D’Orlando 《Journal of Socio》2010,39(2):295-305
Swinging is a sexual behaviour of increasing relevance but substantially ignored in theoretical economic investigation. This paper has two major goals. The first is to describe what swinging is, discuss its economic relevance and single out the main characteristics of swinger behaviour. To this end, the Italian situation has been considered as a type of case study. The second goal is to use standard and less-standard tools from economic theory to propose some preliminary assessments of the causes and consequences of swinger couples’ behaviour. In this respect, some contributions on two-sided markets, hedonic adaptation approaches and equilibrium matching models have proved particularly useful. 相似文献
102.
Art dealers are often described as gatekeepers who are focused on their own position as well as the status of their artists and collectors. We argue that this is an incomplete account of art dealing. The goal of this article is to explain how art dealing is a “toolkit” that does not exclusively focus on status building and social capital, but also includes behavior associated with accessing the visual arts field and community development. First, art dealers often have a background that has strong social ties to art, which provides them with intimate knowledge of the art world and social connections with artists, collectors, and other art world actors. For that reason, entry into art dealing reflects intimate knowledge of art practices, what we call “proximate connoisseurship.” Second, art dealerships reflect both competitive and communal factors. Art dealers may choose to work with artists based on their ability to generate income, social capital, and prestige (“competitive logic”), but art dealers may also employ a “communal logic” focused on friendships and creating community. This theory of art dealers is illustrated with excerpts from interviews with 34 dealers randomly selected from the rosters of international art fairs such as Art Basel Miami, EXPO Chicago, Aqua, and the New Art Dealers Alliance show. 相似文献
103.
This paper deals with the convergence in Mallows metric for classical multivariate kernel distribution function estimators. We prove the convergence in Mallows metric of a locally orientated kernel smooth estimator belonging to the class of sample smoothing estimators. The consistency follows for the smoothed bootstrap for regular functions of the marginal means. Two simple simulation studies show how the smoothed versions of the bootstrap give better results than the classical technique. 相似文献
104.
A linear recursive technique that does not use the Kalman filter approach is proposed to estimate missing observations in an univariate time series. It is assumed that the series follows an invertible ARIMA model. The procedure is based on the restricted forecasting approach, and the recursive linear estimators are optimal in terms of minimum mean-square error. 相似文献
105.
ABSTRACTIt has been shown that equilibrium restrictions in a search model can be used to identify quantiles of the search cost distribution from observedprices alone. These quantiles can be difficult to estimate in practice. This article uses a minimum distance approach to estimate them that is easy to compute. A version of our estimator is a solution to a nonlinear least-square problem that can be straightforwardly programmed on softwares such as STATA. We show our estimator is consistent and has an asymptotic normal distribution. Its distribution can be consistently estimated by a bootstrap. Our estimator can be used to estimate the cost distribution nonparametrically on a larger support when prices from heterogenous markets are available. We propose a two-step sieve estimator for that case. The first step estimates quantiles from each market. They are used in the second step as generated variables to perform nonparametric sieve estimation. We derive the uniform rate of convergence of the sieve estimator that can be used to quantify the errors incurred from interpolating data across markets. To illustrate we use online bookmaking odds for English football leagues’ matches (as prices) and find evidence that suggests search costs for consumers have fallen following a change in the British law that allows gambling operators to advertise more widely. Supplementary materials for this article are available online. 相似文献
106.
Michele Garraffa Federico Della Croce Fabio Salassa 《Journal of Combinatorial Optimization》2017,34(1):71-93
This paper proposes an exact algorithm for the Max-Mean dispersion problem (\(Max-Mean DP\)), an NP-Hard combinatorial optimization problem whose aim is to select the subset of a set such that the average distance between elements is maximized. The problem admits a natural non-convex quadratic fractional formulation from which a semidefinite programming (SDP) relaxation can be derived. This relaxation can be tightened by means of a cutting plane algorithm which iteratively adds the most violated triangular inequalities. The proposed approach embeds the SDP relaxation and the cutting plane algorithm into a branch and bound framework to solve \(Max-Mean DP\) instances to optimality. Computational experiments show that the proposed method is able to solve to optimality in reasonable time instances with up to 100 elements, outperforming other alternative approaches. 相似文献
107.
Agency Problems and Airport Security: Quantitative and Qualitative Evidence on the Impact of Security Training 下载免费PDF全文
Martina de Gramatica Fabio Massacci Woohyun Shim Uğur Turhan Julian Williams 《Risk analysis》2017,37(2):372-395
We analyze the issue of agency costs in aviation security by combining results from a quantitative economic model with a qualitative study based on semi‐structured interviews. Our model extends previous principal‐agent models by combining the traditional fixed and varying monetary responses to physical and cognitive effort with nonmonetary welfare and potentially transferable value of employees' own human capital. To provide empirical evidence for the tradeoffs identified in the quantitative model, we have undertaken an extensive interview process with regulators, airport managers, security personnel, and those tasked with training security personnel from an airport operating in a relatively high‐risk state, Turkey. Our results indicate that the effectiveness of additional training depends on the mix of “transferable skills” and “emotional” buy‐in of the security agents. Principals need to identify on which side of a critical tipping point their agents are to ensure that additional training, with attached expectations of the burden of work, aligns the incentives of employees with the principals' own objectives. 相似文献
108.
109.
Fabio Maccheroni Fabio Maccheroni Massimo Marinacci Massimo Marinacci 《Social Choice and Welfare》2003,20(3):457-465
Existential and constructive solutions to the classic problems of fair division are known for individuals with constant marginal
evaluations. By considering nonatomic concave capacities instead of nonatomic probability measures, we extend some of these
results to the case of individuals with decreasing marginal evaluations.
Received: 12 June 2001/Accepted: 23 May 2002
An earlier version of this paper, Caltech Social Science Working Paper # 1126, was titled “How to cut a cake healthily”.
We wish to thank Maristella Botticini, Erio Castagnoli, Marco Dall'Aglio, Paolo Ghirardato, Luigi Montrucchio, Marco Scarsini,
Marciano Siniscalchi, as well as Maurice Salles (the Editor), an Associate Editor, and four anonymous Referees for helpful
suggestions. The financial support of MIUR, CNR, and Università Bocconi is gratefully acknowledged. Part of this research
was done while the first author was visiting Boston University and the California Institute of Technology, which he thanks
for their hospitality. 相似文献
110.
Francesco Giavazzi Fabio Schiantarelli Michel Serafinelli 《Journal of the European Economic Association》2013,11(6):1256-1289
We study whether cultural attitudes towards gender, the young, and leisure are significant determinants of the employment rates of women and of the young, and of hours worked. We do this controlling for policies, institutions and other structural characteristics of the economy which may influence labor market outcomes. We identify the effect of culture exploiting the evolution over time within country, as well as across countries, of cultural attitudes. We also address the endogeneity of attitudes, policies, and institutions, and allow for the persistent nature of labor market outcomes. We find that culture matters for women's employment rates and for hours worked. However, policies, in particular employment protection legislation and taxes, are also important and their quantitative impact substantial. 相似文献