DISCRETE CHOICE AND RATIONAL INATTENTION: A GENERAL EQUIVALENCE RESULT

This article establishes a general equivalence between discrete choice and rational inattention models. Matějka and McKay (2015) showed that when information costs are modeled using the Shannon entropy, the choice probabilities in the rational inattention (RI) model take the multinomial logit form. We show that, for one given prior over states, RI choice probabilities may take the form of any additive random utility discrete choice model (ARUM) when the information cost is a Bregman information, a class defined in this article. The prior information of the rationally inattentive agent is summarized in a constant vector of utilities in the corresponding ARUM.     

数控机床进给伺服系统的典型故障及诊断

数控机床是典型机电一体化产品,故障出现的种类和原因很多,其中进给伺服系统故障所占比重较大,文中主要以典型的进给伺服系统故障为例,总结、分析引起伺服系统故障的原因,并提出解决的思路和办法。     

A PRIMER ON GLOBAL GAMES APPLIED TO MACROECONOMICS AND FINANCE

This paper shows how to solve global games applied to macroeconomics and finance. We ascertain the roles of public and private information for the determination of a unique equilibrium, and discuss the informative role of market prices. We examine the impact of public information on social welfare, comparing models with and without complementarities at the aggregate level.     

Longitudinal analysis of entrepreneurship and competitiveness dynamics in Latin America

This study analyzes the relationship between entrepreneurial dynamics in Latin-American countries and the level of competitiveness these countries show. Based on the research conducted by Wennekers et al. [Small Business Economics, 24(3):293–309, 2005] that demonstrates a U-shaped relationship between the country’s rate of entrepreneurship and its level of competitiveness and economic development, we hypothesize that Latin-American countries have a descending behaviour under the U-shaped curve approach. The results from three regression models support this hypothesis and suggest that competitiveness and economic growth deter entrepreneurial dynamics on Latin-American countries. We discuss that Latin-American countries need to improve some structural factors to achieve a high level of entrepreneurial dynamics.

论古镇旅游形象定位及其提升——以四川罗城古镇旅游目的地为例

旅游形象已成为旅游研究和开发的新领域,旅游形象的定位和提升对旅游目的地的规划与开发具有十分重要的意义。随着古镇旅游热潮的掀起,针对特色古镇的旅游形象定位和提升势在必行。罗城古镇因其独特的船形街建筑布局而扬名海内外,但其旅游形象需要在游客头脑中创造性的明确定位,并不断获得提升。     

就业与工资关系的两种不同理论比较研究

就业与工资的关系问题是宏观经济学研究的重要问题。作为劳动力资源丰富的发展中国家,我国就业与工资变动关系存在一定的特殊性。同时,经济学说史上各种关于就业与工资关系理论及其长期变动规律的认识并不统一,马克思主义经济学与西方经济学之间、西方经济学内部各流派之间都存在着争论。因此,梳理及比较马克思主义经济学和西方经济学的就业与工资关系理论,对正确理解我国就业与工资关系及其变动规律,指导制定宏观调节政策,有着重要的意义。     

股权分置改革效应模型及实证分析

Based on the sample of 939 Chinese listed companies in the 40 former reformed batches, this paper investigates the effect of Chinese split share structure reform and its impact factors. First, considering Chinese split share structure reform as an event, an effect model is set up by means of the event study method, which takes abnormal return rate as a basic indicator to measure the reform effect. Further, in order to look for the impact factors on the reform effect, the empirical comparing analysis for different batches, different trading posts and different boards are done. These results show that the reform has positive effects on Chinese stock market and increases value of the listed companies. There is higher transformable return rate in the reform batches which include more Chinese listed companies with high quality performances. The shareholders who are in Shenzhen Stock Exchange market get higher transformable return rate than the shareholders who are in Shanghai Stock Exchange market. SME board has higher transformable return rate than the main board.     

Taxes and labor supply: Portugal, Europe, and the United States

I relate hours worked with taxes on consumption and labor for Portugal, France, Spain, United Kingdom and United States. From 1986 to 2001, hours per worker in Portugal decreased from 35.1 to 32.6. With the parameters for Portugal, the model predicts hours worked in 2001 with an error of only 12 min from the actual hours. Across countries, most predictions differ from the data by 1 h or less. The model is not sensible to special assumptions on the parameters. I calculate the long run effects of taxes on consumption, hours, capital and welfare for Portugal. I extend the model to discuss implications for Social Security. I discuss the steady state and the transition from a pay-as-you-go to a fully funded system.