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131.
132.
There are two competing sellers of an experience good, one offers high quality, one low. The low‐quality seller can engage in deceptive advertising, potentially fooling a buyer into thinking the product is better than it is. Although deceptive advertising might seem to harm the buyer, we show that he could be better off when the low‐quality seller can engage in deceptive advertising than not. We characterize the optimal deterrence rule that a regulatory agency seeking to punish deceptive practices should adopt. We show that greater protection against deceptive practices does not necessarily improve the buyer welfare. 相似文献
133.
Moving from the growing relevance of the enterprise risk management (ERM) concept, this paper provides empirical evidence of ERM in practice. The paper presents ERM actual uses in a panel of nine Italian companies from different industrial fields and legislative settings and analyses the relationship between the uses and the characteristics of the ERM tool implemented in each case. The data analysis highlights the existence of different activities that are supported by the ERM tool and also different types of use (i.e. responsive, discoursive and prospective) corresponding to a different contribution of ERM to managerial action. These uses related to the specific characteristics of the tools generally indicated with the label ‘ERM’. 相似文献
134.
This paper examines the welfare effects of physically interconnecting two (network) markets that were previously separated.
In each market a different set of capacity-constrained firms operate. Firms engage in a supergame and collude whenever it
is rational for them to do so.We find that, under certain parametric restrictions, interconnection of the two markets reduces
total welfare. The collusive horizon may extend from a single market to the overall integrated market. In such case, interconnection
can be viewed as “exporting” collusion, rather than competition.
相似文献
135.
Giovanni Favara Erwan Morellec Enrique Schroth Philip Valta 《Journal of Financial Economics》2017,123(1):22-41
We argue that the prospect of an imperfect enforcement of debt contracts in default reduces shareholder–debtholder conflicts and induces leveraged firms to invest more and take on less risk as they approach financial distress. To test these predictions, we use a large panel of firms in 41 countries with heterogeneous debt enforcement characteristics. Consistent with our model, we find that the relation between debt enforcement and firms’ investment and risk depends on the firm-specific probability of default. A differences-in-differences analysis of firms’ investment and risk taking in response to bankruptcy reforms that make debt more renegotiable confirms the cross-country evidence. 相似文献
136.
There are two variance components embedded in the returns constructed using high frequency asset prices: the time-varying variance of the unobservable efficient returns that would prevail in a frictionless economy and the variance of the equally unobservable microstructure noise. Using sample moments of high frequency return data recorded at different frequencies, we provide a simple and robust technique to identify both variance components. 相似文献
137.
In the presence of an endogenous binary treatment and a valid binary instrument, causal effects are point identified only for the subpopulation of compliers, given that the treatment is monotone in the instrument. With the exception of the entire population, causal inference for further subpopulations has been widely ignored in econometrics. We invoke treatment monotonicity and/or dominance assumptions to derive sharp bounds on the average treatment effects on the treated, as well as on other groups. Furthermore, we use our methods to assess the educational impact of a school voucher program in Colombia and discuss testable implications of our assumptions. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
138.
Federico Echenique 《Economic Theory》2003,22(4):903-905
Summary. I prove that the equilibrium set in a two-player game with complementarities, and totally ordered strategy spaces, is a sublattice
of the joint strategy space.
Received: May 31, 2001; revised version: October 4, 2002 相似文献
139.
An application of dynamic specifications of factor demand equations to interfuel substitution in US industrial energy demand 总被引:2,自引:0,他引:2
In a recent paper, Jones (1995) [A dynamic analysis of the interfuel substitution in US industrial energy demand. J. Bus. Econ. Stat. 13 (4), 459–465] presents a dynamic analysis of interfuel substitution in US industry energy demand. The author concludes that a dynamic linear logit model is ‘superior' to a comparable dynamic translog model. The latter in fact violates concavity conditions whilst the logit formulation does not. This paper shows first of all that the dynamic formulation of the translog used in Jones (1995) is mis-specified. In fact, a parsimonious error-correction model (ECM) ‘dominates' alternative dynamic formulations, amongst which the partial adjustment mechanism used by the author. The ECM is able to generate optimal estimates of long-run and short-run elasticities, and it satisfies the concavity conditions of the cost function. Further, the theoretical framework used in this paper is the one recently proposed by Urga (1996) [On the identification problem in testing dynamic specification of factor demand equations. Econ. Lett. 52, 205–210] and Allen and Urga (1998) [Derivation and estimation of interrelated factor demands from dynamic cost function. Forthcoming in Economica]. It allows one to identify all coefficients (long-run and short-run) of the dynamic formulation via the joint estimation of the ‘effective' (short-run) cost function and the set of factor demand equations. This strategy solves, amongst other things, the parameter identification problem within the set of demand equations themselves, an issue which was originally noted by Anderson and Blundell (1982) [Estimation and hypothesis testing in dynamic singular equation systems. Econometrica, 1559–1571], re-addressed by Friesen (1992) [Testing dynamic specification of factor demand equations for US manufacturing. Rev. Econ. Stat. LXXIV (2), 240–250] and, more recently, by Urga (1996) and Allen and Urga (1998). 相似文献
140.