The authors present a unified strategic framework that enables competing marketing strategy options to be traded off on the basis of projected financial return, which is operationalized as the change in a firm’s customer equity relative to the incremental expenditure necessary to produce the change. The change in the firm’s customer equity is the change in its current and future customers’ life...

The purpose of this paper is to investigate the impact of voluntary disclosure about corporate social responsibility (CSR) on firm’s financial performance. First, a state of the art about corporate social responsibility and social reporting is presented. After that, the problems of measurement of CSR are indicated and the hypotheses are proposed. In the empirical analysis, regression models are...

Non-stationary time series are commonly found in nancial applications. Added to the complexity are the time-varying nature and non-linearity of accurate models for describing the dynamic behavior of these nancial time series. We extend the techniques of cointegration to handle time-varying, non-linear relationship betw een a time series (\news") and its causally a ected time series. The predict...

return and volatility spillovers are important for portfolio selection, asset valuation and market efficiency investigation. using a var-bekk framework model, this paper investigates return and volatility spillover effects between three size-sorted equity indices in tehran stock exchange (tse). although daily return of large stocks leads small stocks (lead-lag effect), there wasn’t any spillove...