Ex-post incentive compatible and individually rational assignments in housing markets with interdependent values

This paper presents a model for housing markets with interdependent values. We introduce private information on the quality of a house (i.e., high or low), which is known only to the initial owner. Interdependency means that the ex-post preference of an agent depends on the private information of the other agents with regard to the quality of houses. We prove that on a domain satisfying a richness condition, the no-trade rule is the only rule that satisfies ex-post incentive compatibility and ex-post individual rationality.     

Internal habits formation and optimality

In a very influential model with internal habits, Carroll et al., (2017, 2000), establish that an increase in economic growth may cause a positive change in savings. The optimality of this result, and of many other contributions using a similar framework, has been questioned by some authors who have observed that the parametrization used in these models always implies a utility function not jointly concave in consumption and habits. In this paper, we revisit the optimality issue and, using advanced techniques in Dynamic Programming, we answer the following long-standing open questions: (i) Is the solution found in Carroll et al., (2017, 2000) optimal? (ii) Is it also unique or do other optimal solutions exist?     

MORE THAN A FEELING: CONFIDENCE,UNCERTAINTY, AND MACROECONOMIC FLUCTUATIONS

Economists, observers, and policy-makers often emphasize the role of sentiment as a potential driver of the business cycle. In this paper, we provide three contributions to this debate. First, we give an overview of the recent literature on the nexus between sentiment (considering both confidence and uncertainty) and economic activity. Second, we review existing empirical measures of sentiment, in particular consumer confidence, stock market volatility (SMV) and Economic Policy Uncertainty (EPU), on monthly data for 27 countries, 1985–2016. Third, we identify some new stylized facts based on international evidence. While different measures are surprisingly lowly correlated on average in each country, they are typically highly positively correlated across countries, suggesting the existence of a global factor or sizeable international spillovers of sentiment. Consumer confidence has the closest co-movement with economic and financial variables, and most of the correlations are contemporaneous or forward-looking, consistent with the view that economic sentiment is indeed a driver of activity.     

国家创新型城市对属地创新能力影响效应评估——政策动态过程与政企互动视角

选取2003-2016年城市数据样本，基于国家创新型城市分批次确立的特性，采用渐进双重差分模型、固定效应双重差分模型和处理效用双重差分模型，研究国家创新型城市对属地创新能力的整体效应、长期动态效应和批次效应。结合城市创新微观主体构成特性，分析属地国家创新型企业政策及企业类型异质性对属地创新能力的影响。结果显示：国家创新城市对属地创新能力提升在长短期均起到正向促进作用，且越早确立的城市对属地创新能力提升的作用效果越显著；国家创新型企业政策对城市创新能力提升起到正向调节作用，且企业集团作用大于上市公司和一般企业。最后，提出创新型城市建设相关政策建议。     

动态能力、企业规模与双元创新关系研究——基于fsQCA方法的实证分析

对186家企业问卷数据进行模糊集定性比较分析（fsQCA），探寻3种类型动态能力和企业规模等因素对双元创新的组合效应以及不同因素之间的互动关系。研究发现，分别存在两种等效路径支撑中国企业实现探索式创新和利用式创新；吸收能力作为核心条件存在，联合不同水平的机会识别、资源拼凑和企业规模，大大提高企业实现双元创新的可能性；此外，资源拼凑兼具探索性和利用性双重特征，联合机会识别促进双元创新，其中，资源丰裕的大规模企业更具优势。采用QCA构型研究方法，推动了企业创新行为选择的因果逻辑性研究，从单维视角向多维交互的整体视角转变，明确了各种类型动态能力与双元创新之间的关系以及不同能力间的依赖/替代关系。     

Macroeconomic implications of modeling the Internal Revenue Code in a heterogeneous-agent framework

Tax policy analysis in heterogeneous-agent models typically involves the use of smooth tax functions to approximate complex present tax law and proposed reforms. In this paper, we explore the extent to which the tax detail omitted under this conventional approach has macroeconomic implications relevant for policy analysis. To do this, we develop an alternative approach by embedding an internal tax calculator into a large-scale overlapping generations model that, while conditioning on idiosyncratic household characteristics, explicitly models key provisions in the Internal Revenue Code applied to labor income. We find that for a debt-constant steady state analysis of a given tax policy change, both approaches generate similar policy-induced patterns of macroeconomic activity despite variation in the underlying patterns of household tax-preferred consumption and labor supply behavior. However, this variation in underlying behavior is associated with significant quantitative and qualitative differences in macroeconomic aggregates along a debt-financed transition path immediately following a policy change. Consequentially, although the use of unconditional smooth tax functions may be a reasonable modeling simplification for steady state analysis of tax policy, caution should be taken for their use in transition path analysis within heterogeneous-agent models.     

Foreign direct investment and economic growth: Is more financial development better?

We investigate the extent to which an increase in financial development affects the positive effect of foreign direct investment on economic growth. Although the financial sector is beneficial for economic growth, the effect of further financial development on growth is found to become insignificant. Using a dynamic panel threshold model on 62 middle- and high-income countries spanning the period 1987–2016, we re-examine the possible nonlinearity between finance, foreign direct investment, and growth. Consistent with the “vanishing effect” of financial development, we find significant evidence that foreign direct investment fosters growth in general, but the growth effect of foreign direct investment becomes negligible when the ratio of private sector credit to gross domestic product exceeds 95.6%. This finding is robust to different econometric methods, various subsamples and interaction analyses, and distinct financial development indicators.     

A capabilities perspective on the joint effects of internationalization time,speed, geographic scope and managers’ competencies on SME survival

This study examines the effect of key internationalization contingencies on SME survival. We argue early internationalization increases the probability of firm failure, while international experience reduces it. However, the survival odds among international new ventures may be improved by their post-entry international expansion scope and speed, and by managers’ competencies. These internationalization facets provide firms with opportunities to develop and exploit their resources and capabilities, and thus enhance their survival chances. Drawing on a sample of 271 manufacturers followed between 2005 and 2014, we find results that provide support to most of our arguments, and hold theoretical and managerial relevance.     

Relationship learning: A conduit for internationalization

Internationalization opportunities can emerge through inter-organizational sharing, yet research on why and how organizations learn through relationship interactions is underdeveloped. We explore how learning in supplier-customer relationships contributes to organizational offerings through the knowledge development process. We identify relationship learning as an organizational dynamic capability by thematic analysis of qualitative longitudinal data from large as well as small and medium-sized organizations. Our case study of organizations demonstrates that nurturing personal relationships and paying attention to customer communication is core in knowledge sharing. Customer input is valuable in solution offerings, strengthening mutual work, and growth in internationalization within an existing relationship or in new ones. The results endorse that the knowledge development processes and commitments transpire at both ends of the relationship. The findings provide practical managerial implications for ensuring the development of open and transparent communication conduits in relationships. The process of providing a solution that addresses customers' needs must begin with understanding their work, issues, and the intended jobs they will perform.     

重大突发公共卫生事件科技研发应急体系运行机制研究

在突发事件应急管理过程中，科技研发支撑作用十分关键，亟需建立突发公共卫生事件科研应急体系长效运行机制。基于科技研发应急体系的复杂性、适应性特征，从主体属性和体系架构两个层面入手，分析重大突发公共卫生事件科技研发应急体系的复杂适应系统特征，运用复杂适应系统理论模型和动态闭环螺旋模型，研究重大突发公共卫生事件科技研发应急体系运行机制。研究发现，重大突发公共卫生事件背景下，科技研发应急体系具有复杂适应系统的7个基本特征，是典型的复杂适应系统；科技研发应急体系中，科研攻关专家组、诊疗医院、科技部门等科研主体具有各自内部模型，并通过6大标识进行聚集；科技研发应急体系存在事件—需求引导、主体协同、资源交互、成果转化机制。同时，新冠病毒肺炎疫情应对实践表明，疫情防控救治进程中科技研发应急体系存在并遵循上述运行机制。