In this paper we consider empirical econometric models for nine brands of a fast-moving nondurable consumer product using weekly observed scanning data on market share and distribution conditional on advertising, price, promotion activities. Since the data show nonstationary characteristics, we...

In this paper we investigate the properties of the Lagrange Multiplier (LM) test for autoregressive conditional heteroskedasticity (ARCH) and generalized ARCH (GARCH) in the presence of additive outliners (AO's). We show analytically that both the asymptotic size and power are adversely...

We investigate whether US bank holding company fundamental characteristics are related to bank risk over a period that covers the recent 2007–09 financial crisis. We extend prior studies to consider bank equity risk exposure to market-wide default risk, the structured finance market, and the...

The first purpose of this paper is to give an up to date overview of the literature on health care expenditures. Secondly, this paper contributes to the existing literature by investigating the impact of several factors on health care expenditures in an empirical analysis using an...