Is european attachment sufficiently strong to support an EU fiscal capacity: Evidence from a conjoint experiment

Based on a conjoint survey experiment with 10,000 respondents from France, Germany, Italy, Netherlands and Spain at the end of March/beginning of April 2020, we explore how individual characteristics shape support among Eurozone citizens for a European Union (EU) budgetary assistance instrument to combat adverse temporary or permanent economic shocks hitting EU Member States. We consider particularly the role of socioeconomic factors, such as income and education, covid fears and European attachment. Remarkably, how covid worries and European attachment affect the support for specific designs of the assistance instrument is not affected by other factors, in particular not by socioeconomic factors. These latter factors play an important role affecting support, independent of European attachment. Programs with European Commission monitoring (and recommendations) and cross-country redistribution, possibly even mandatory towards poor countries, can count on stronger support from those with higher European attachment. Those with strong covid fears are generally more in favour of EU budgetary assistance, mandatory spending of assistance on healthcare and redistribution to poor countries. Programs with Commission monitoring (and recommendations) receive extra support from high-income and highly-educated individuals. Also, the latter group specifically favors potential or mandatory cross-border redistribution. The independent role of individual European attachment suggests that instruments other than socioeconomic policies, e.g. better information provision about its use, may help raise support for an EU assistance instrument.     

Pricing options on scenario trees

We examine valuation procedures that can be applied to incorporate options in scenario-based portfolio optimization models. Stochastic programming models use discrete scenarios to represent the stochastic evolution of asset prices. At issue is the adoption of suitable procedures to price options on the basis of the postulated discrete distributions of asset prices so as to ensure internally consistent portfolio optimization models. We adapt and implement two methods to price European options in accordance with discrete distributions represented by scenario trees and assess their performance with numerical tests. We consider features of option prices that are observed in practice. We find that asymmetries and/or leptokurtic features in the distribution of the underlying materially affect option prices; we quantify the impact of higher moments (skewness and excess kurtosis) on option prices. We demonstrate through empirical tests using market prices of the S&P500 stock index and options on the index that the proposed procedures consistently approximate the observed prices of options under different market regimes, especially for deep out-of-the-money options.     

Investment responses to Japanese tax reforms: A cross-industry comparison

This paper examines the investment responses to past Japanese tax reforms for individual industries. To identify the tax effect, this paper estimates investment functions by using a covariate of the change in tax-adjusted q caused by tax reform. This method alleviates the measurement error problem and enables the derivation of estimates indicating the valid adjustment cost of investment. Moreover, the findings suggest that firms’ investment responded significantly to tax reforms in the 1980s in general. Also, investments of only a few industries responded to those in the late 1990s, implying that the manner of investment response slightly differs among industries.     

双协议栈在IPv4过渡到IPv6过程中的应用

随着IPv6的迅速发展,IPv4的不足暴露的越来越明显,本文阐述了AKIPv4过渡到IPv6的必然性,重点论述了过渡机制中的双栈技术及其实现模型.     

GOVERNANCE INSTITUTIONS AND PRIVATE INVESTMENT: AN APPLICATION TO THE MIDDLE EAST AND NORTH AFRICA

This paper addresses the issue of the low level of private investment in the Middle East and North Africa (MENA) region, with special emphasis on the role of governance. Based on the existing published reports, we categorize what types of governance institutions are more detrimental to entrepreneurial investments. We then estimate a simultaneous model of private investment and governance quality where economic policies concurrently explain both variables. Our empirical results show that governance plays a significant role in private investment decisions. This result is particularly true in the case of “administrative quality” in the form of control of corruption, bureaucratic quality, investment‐friendly profile of administration, law and order, as well as for “political stability.” Evidence in favor of “public accountability” is also found. Our estimations also stress that structural reforms like financial development, trade openness, and human development affect private‐investment decisions directly, and/or through their positive effect on governance.     

IL-6在运动干预胰岛素抵抗中的作用综述

胰岛素抵抗（IR）发生于人体生理作用的任何方面,其抵抗机制十分复杂。有研究表明,运动能够改善IR,且在运动过程中骨骼肌所产生的白细胞介素-6（IL-6）可通过调节和控制各组织中的胰岛素作用及抵抗机制,通过不同的方式引起血糖指数、糖脂代谢、身体各组织器官血糖的改变,改善IR。因此,本文针对骨骼肌组织中的IL-6在胰岛素抵抗中的作用及其机制进行了简要综述。     

On the robustness of simple and optimal monetary policy rules

This is a discussion of the paper “Simple versus Optimal Rules as Guides to Policy” by Brock, Durlauf, Nason and Rondina (BDNR) presented in November 2006 at Carnegie-Mellon University under the auspices of the Carnegie-Rochester Conference Series on Public Policy. I review the authors’ arguments, present a few suggestions for extension and outline where I think at least one strand of the literature should be heading.     

Wage Inequality and Wage Mobility in Europe

Using data from the European Union Statistics on Income and Living Conditions, this paper investigates wage inequality and wage mobility in Europe. Decomposing inequality into within‐ and between‐group inequality, we analyze to what extent wage inequality and mobility can be explained by observable characteristics. Furthermore, we investigate which individual and household characteristics determine transitions within the wage distribution. We find that overall, mobility reduces wage inequality. While a large part of wage inequality is due to unobservable characteristics, the equalizing effect of mobility mainly occurs within groups. Furthermore, both personal and household characteristics play an important role for wage transitions. Finally, our findings reveal large cross‐country differences across Europe.     

Allocative efficiency measurement with endogenous prices

In the nonparametric measurement of allocative efficiency, output prices are fixed. If prices are endogenous, the overall output in the market determines the allocative efficient point. We develop an alternative semi-nonparametric model that allows prices to be endogenously determined.     

关系营销在现代营销中的实施

关系营销的时代已经到来。本文探讨了关系营销与传统营销的差别,分析了关系营销在现代营销中的作用及其实施方法,构筑了基于6C理论的关系营销管理模式。