Variety,Globalization, and Social Efficiency

The standard formal presentation of the Dixit‐Stiglitz‐Krugman (DSK) model of monopolistic competition with a constant‐elasticity‐of‐substitution (CES) utility function supposes a sufficient number of firms so that the elasticity of demand facing each variety is approximated by a constant elasticity of substitution. Such a formulation forces economies of scale to be frozen so that firm size never changes. We use a Bertrand‐Nash interpretation of the equilibrium that allows the elasticity of demand facing each variety to depend on the number of varieties, thus allowing the gains from globalization to reflect both the increase in variety and the exploitation of economies of scale. We also develop a precise expression for per capita real income with any number of sectors and examine the age‐old question of the socially optimal number of varieties.     

Public market staging: The timing of capital infusions in newly public firms

We examine financing activities of newly public firms for evidence on capital staging in the public equity market. Staging (sequential financing) can increase issuance costs but can limit costs associated with overinvestment. We find evidence consistent with the hypothesis that staging is employed to help control the overinvestment problem in public firms. Initial public offering (IPO) proceeds, relative to external financing requirements, are smaller for firms with more intangible assets and more research and development (R&D)-intensive firms. Asset intangibility and R&D intensity are also both negatively related to the length of time from a firm's IPO to its first post-IPO capital infusion.     

当前物价运行及其未来发展趋势

2011年8月以来,CPI同比涨幅持续回落,全年CPI上涨5．4％。从2012年物价走势看,受政策滞后效应和上年同期基数效应影响,上半年物价有望延续回落趋势,而随着政策微调和宏观经济回升,下半年物价重拾升势的可能性较大。预计2012年全年CPI涨幅为3．6％左右。综合考虑我国工业化发展阶段、刘易斯拐点与资源品价格市场化改革等因素来看,中长期内物价仍存在上涨压力。     

Are Investment Banks Special Too? Evidence on Relationship‐Specific Capital in Investment Bank Services

The question of whether optimal provision of these services comes mainly from established relationships between banks and client firms or can result from arms'‐length market transactions has been the topic of considerable recent debate. This discussion has paralleled the debate in the commercial banking literature on the “specialness” of banks and whether lending can and should be relational or purely transactional. Whether the provision of investment bank services is relationship‐based or transactional is especially relevant now thanks to recent trends that have blurred the distinction between commercial and investment banks, and changed the competitive landscape for investment bank services. In their study summarized in this article, the authors examine whether investment bank‐client relationships create valuable relationship‐specific capital using stock market evidence from the period surrounding the collapse of Lehman Brothers. Specifically, they studied the effect of the Lehman collapse on companies that used Lehman for (1) underwriting equity offerings, (2) underwriting debt offerings, (3) advice on mergers and acquisitions, (4) analyst research services, and (5) market‐making services. The study addressed two specific questions. First, which investment bank services, if any, are associated with the creation of relationship‐specific capital; and second, what are the value drivers of this relationship capital? The authors report finding that companies that used Lehman as lead underwriter for public equity offerings experienced significantly negative abnormal stock returns in the days surrounding Lehman's bankruptcy announcement. By contrast, they find no significant reaction to the announcement for Lehman's debt underwriting clients or any of the other client categories they examine. While most of these investment bank services have at least the potential to create relationship‐specific capital, the authors' findings suggest that except for equity underwriting, all the other investment bank services appear to be transactional rather than relationship‐based, at least in the average case. Moreover, the authors report significant differences even among different groups of Lehman's equity underwriting clients. An equity underwriting relationship with Lehman appears to have been especially valuable for smaller, younger, and more financially constrained firms—those firms which presumably had a high degree of dependence on Lehman to access the capital market.     

Eastern Germany and the conflict between wage adjustment,investment, and employment: A numerical analysis

Eastern Germany and the Conflict between Wage Adjustment, Investment, and Employment: A Numerical Analysis. — In this paper, some light is shed on the dynamics of the adjustment process in eastern Germany by studying the linkages between the dynamics of wage adjustment, investment, and employment. An extended dynamic investment model, which includes adjustment costs for capital and revision costs for investment, is presented. This model is specified according to the east German economy and analyzed numerically by an optimization method based on direct collocation. Results are obtained for the time horizon of adjustment and for the implications of different wage strategies on the path of investment and employment.     

Key Factors that Influence Consumer Preferences for Natural-Hyped Products

Natural-hyped products are receiving greater attention from and acceptance by consumers worldwide. Environmental factors that foster the demand for natural-hyped products, specifically hemp-based products include the deregulation of the cannabis industry and greater consumer desire for natural foods. Adding to this, the strategic use of stimulant type of cues (e.g., a cannabis leaf) included in product logos, ads, and packaging, seems to create hype associations when evaluating hemp-based products. In this context, this study presents empirical evidence (three experiments and two qualitative studies) that illustrates consumer preference for hemp-based products over ones that do not include hemp as an ingredient (hemp-free). The research focuses on identifying the psychological determinant that orients consumers towards hemp-based products. Findings suggest that the perceived naturalness is the psychological mechanism behind consumers positive evaluation of hemp-based products. Moreover, this study presents evidence that this evaluation is enhanced by the consumer's need for stimulation. Implications of the findings for the role of perceived naturalness and the need for stimulation in marketing strategies are discussed.