COST-PRICES WITH VARIABLE RETURNS(*)

COST - PRICES WnH VARJABI , E RETURNS

In this paper a ruodel of oligopolistic coropetiúon is presented. Firros lIse a roark-up in order lO price but the model does not rely necessarily on the assllmption of constant returns to scale. An existence theorero is proved for such an economy.

Planning, Prices and Increasing Returns

Increasing Returns, Imperfect Competition and Factor Prices

We show how, in general equilibrium models featuring increasing returns, imperfect competition and endogenous markups, changes in the scale of economic activity affect income distribution across factors. Whenever Þnal goods are gross-substitutes (grosscomplements), a scale expansion raises (lowers) the relative reward of the scarce factor or the factor used intensively in the sector characteriz...

The Distribution of Returns of Stock Prices

We perform a phenomenological study of stock price fluctuations of individual companies. We systematically analyze two different databases covering securities from the three major US stock markets. We consider (i) the trades and quotes (TAQ) database, for which we analyze 40 million records for 1000 US companies for the 2-year period 1994–95, and (ii) the Center for Research and Security Prices...

Can Oil Prices Predict Stock Market Returns?

This paper performs an empirical investigation into the relationship between oil price and stock markets returns for seven countries (Kuwait, Oman, UAE, Bahrain, Qatar, UK and USA) by applying the Vector Auto Regression (VAR) analysis. During this period oil prices have tripled creating a substantial cash surplus for the Gulf Cooperation Council (GCC) Countries while simultaneously creating inc...