Exploring pre-service teachers’ technology-integration belief and scientific inquiry in a teacher-development course

International Journal of Technology and Design Education - We implemented design practices for a total of 85 pre-service teachers in a teacher-development course. This mixed-method study explored...     

The Losses from Trade Restrictions: Policy Dynamics with Firm Selection and Endogenous Markup

In this paper, I explore the aggregate effects of trade restrictions in a two‐country, dynamic, general equilibrium (DGE) model with firm selection and variable adjustment of markup. As a response to the trade collapse in the global crisis of 2008 and 2009, temporary trade restrictions have emerged in several countries. With analyzing the dynamics of a negative macroeconomic shock in the home economy first, and the subsequent introduction of trade restrictions in the foreign economy second, I show that both economies are in a worse position than they were during the economic downturn. The follow‐ups to the recession and trade restrictions are investigated through three mechanisms: (1) variable markup as a new avenue of increasing competitive pressure for producers (e.g. more competitive firms lower their markups); (2) average individual firms' specific productivity cut‐off, which induces their optimum export choice (e.g. an increase in the export productivity cut‐off means exporting becomes more difficult than before.); and (3) the movement of international relative prices (e.g. the real exchange rate and terms of trade).     

How does a diversity climate shape the relationship between demographic diversity and organizational social capital in the U.S. federal government?

Although intergroup conflict caused by demographic differences in organizations disrupts social interactions between employees, little empirical research has been conducted to understand how to effectively manage demographic diversity in the public workforces. By combining two theories of diversity and inclusion, this article explores the independent and joint effects of three dimensions of demographic diversity (gender, race, and age) and a diversity climate on organizational social capital in the US federal government. Statistical analysis shows a negative relationship between age diversity and organizational social capital and a contrasting positive relationship between a diversity climate and social capital. More important, the diversity climate as a key moderator conditions the impact of racial diversity and age diversity on social capital. The findings suggest the importance of a supportive diversity climate in improving the quality of social relationships within demographically diverse organizations.     

Rational Pricing of Internet Companies Revisited

In this article we expand and improve the Internet company valuation model of Schwartz and Moon (2000) in numerous ways. By using techniques from real options theory and modern capital budgeting, the earlier paper demonstrated that uncertainty about key variables plays a major role in the valuation of high growth Internet companies. Presently, we make the model more realistic by providing for stochastic costs and future financing, and also by including capital expenditures and depreciation in the analysis. Perhaps more importantly, we offer insights into the practical implementation the model. An important challenge to implementing the original model was estimating the various parameters of the model. Here, we improve the procedure by setting the speed of adjustment parameters equal to one another, by tying the implied half‐life of the revenue growth process to analyst forecasts, and by inferring the risk‐adjustment parameter from the observed beta of the company's stock price. We illustrate these extensions in a valuation of the company eBay.     

Disutility and constrained quality choice in self-selection problems

This paper analyzes the self-selection problem in a monopoly market where (i) consumer types are characterized by both utility of service and disutility of interrupted service and (ii) qualities (reliabilities) are interdependent. We derive behavior of a profit-maximizing monopolist in offering self-selection menu of price and reliability and in choosing capacity investment. We further analyze welfare distortions of the monopolistic behavior. The major findings are: (i) depending on the magnitude of utility and disutility, either consumer type may end up with zero surplus, (ii) the possibility of inefficient production may lead to idle capacity, and (iii) depending on the consumer preference structure, the monopolist's investment is lower than, equal to, or higher than the socially optimal level.     

Skill development,bargaining power,and a theory of job design

We examine the job design decision in the context of skill development and bargaining power. The choice between specialization and multitasking requires employees to develop either specialized or varied task‐specific skills. Employees' (i.e., the owners of the acquired skills) bargaining power depends on their skill sets, which differentiate their ability to hold up production and threaten to leave a firm. When a firm cannot meaningfully elicit skill investments through job design, it will pursue inefficient multitasking to reduce production holdups or inefficient specialization to prevent skilled employees from leaving. We obtain inefficient job design results only for mediocre ability workers.     

Impact of corporate social responsibility on brand trust and brand loyalty: Case of Uber

The purpose of this research is to investigate the structural relationship between Uber corporate social responsibility (CSR), brand trust, and brand loyalty. Stakeholder theory is the theoretical foundation of the study. The CSR subdimensions of eco-friendliness, quarantine, user privacy, user safety, and driver well-being are used. Amazon Mechanical Turk was employed for data collection. The number of observations is 405. A structural equation model was implemented to test the research hypotheses. This study demonstrated the accountability of stakeholder theory for Uber brand management by showing a significant link between quarantine, user privacy, user safety, driver well-being, brand trust, and brand loyalty. This study contributes to the literature by validating the explanatory power of stakeholder theory in the case of Uber brand management.