Advertising expenditure is a basic channel in the transmission mechanism of a firm's diversification product, which runs in a highly concentrated sector, as is the mobile telecommunication market in Greece. This strategy of marketing aims to develop a comparative advantage for the firm ensuring...

An error correction framework with non-linear adjustment is used to investigate the presence of asymmetries in the adjustment of deposit and lending rates and to changes in interbank rates. There is evidence of asymmetric adjustment for a number of countries, but there are no asymmetries...