R&D is considered to be the main source of innovation. We argue that R&D is too broad a measure, including activities differing in purposes, culture, people, management and other features. However, empirical studies have not analyzed them separately, mainly due to the lack of data. Using...

Over the course of the 20th century American wages increased by a factor of about 100, while the wages of professional baseball players increased by a factor of 450, but that increase was neither smooth nor consistent. We use a unique and expansive dataset of salaries and performance variables...

We model an interaction between an informed sender and an uninformed receiver. As in the classic cheap talk setup, the informed player sends a message to an uninformed receiver who is to take an action which affects the payoffs of both players. However, in our model the sender can communicate...

This paper looks at the integration of regions and nations through the prism of the merger of populations. The paper employs a particular index of social dismay. It presents examples of two of the main results arising from the study of the merger of two populations: that the social dismay of an...

Penalized splines are widespread tools for the estimation of trend and cycle, since they allow a data driven estimation of the penalization parameter by the incorporation into a linear mixed model. Based on the equivalence of penalized splines and the Hodrick-Prescott filter, this paper connects...

This paper investigates the long run relationship between oil prices and stock prices for India over the period April 2000- June 2011. We employ Auto Regressive Distributed Lag (ARDL) Model that takes into consideration the long run relationship. The results obtained suggest that volatility of...

We used housing demolition and window replacement rates to forecast prevalence trends for childhood lead poisoning and lead paint hazards from 1990 to 2010 for the President’s Task Force on Environmental Health Risks and Safety Risks to Children. The mid-point of that forecast has now been...

We consider a duopoly competing in quantity, where firms can invest in both innovative and absorptive R&D to reduce their unit production cost, and where they benefit from free R&D spillovers between them. We analyze the case where firms act non cooperatively and the case where they cooperate by...

Growth and imports are correlated across countries, but the mechanisms underlying this relationship are not well understood. I develop a multi-country model in which imports and growth are connected by technological innovations and their international diffusion through trade. Fitting the model...

This paper develops and estimates a dynamic model of stock market participation, where consumers’ decisions regarding stock market participation are influenced by participation costs. The practical significance of the participation costs is considered as being a channel through which financial...