We use results from the literature on the determinants of price-cost margins to derive an equation relating labor's share of national income to the in ‡ation rate (as well as to the output gap, the unemployment rate and the capital stock per worker). The equation is tested with a panel of 15 OECD countries. We obtain a robust positive relationship between in ‡ation and the labor share. Our resu...

This article discusses the development of a computerized support to demands for treatment of a wide spectrum and diverse nature. Developed under SPM platform (Situação, Problema e Melhoria), the practitioner seeks to provide an ergonomic aid from the identification and characterization of the processes of analysis demands. The interest of a technological support the practice of ergonomics is a ...

To coordinate the supply chain risk caused by demand uncertainty, this paper proposed a flexible return strategy under in which retailer can choose quantity independently put option after selling season, while is usually determined supplier classical strategy. In our novel strategy, exercise price not fixed, and we developed base model of named selective buyback contracts model. We have solved ...

Recent studies show that individual investors tend to speculate on stock markets and hold shares with a lottery-like return. For this speculation of people have a significant impact on stock returns, individual investors must trade the same shares with the same time. The purpose of this study was to investigate the effect of the speculative bubble on the stock returns of companies in Iran. Foll...