By granting intracompany loans to their foreign affiliates, multinational firms may reduce their tax liability abroad. Many countries have legislated thin-capitalization rules (TCRs) that limit the allowable levels of intracompany loans or restrict interest deductibility if certain thresholds...

Cointegration analysis is applied to the linear combinations of the time series of (the logarithms of) output, capital, labor, and energy for Germany, Japan, and the USA since 1960. The computed cointegration vectors represent the output elasticities of the aggregate energy-dependent...