This paper proposes and discusses an instrumental variable estimator that can be of particular relevance when many instruments are available. Intuition and recent work (see, e.g., Hahn (2002)) suggest that parsimonious devices used in the construction of the final instruments, may provide...

This paper uses same sex sibling composition as a strategy to identify the exogenous effects of childbearing on female labour force participation in South Africa. International studies typically find that sibling sex composition is strong instrument for childbearing, satisfying the two...

This paper investigates the existence of a possible media bias by analyzing the impact of automobile manufacturers’ advertisements on automobile reviews in a leading German car magazine. By accounting for both endogeneity and sample selection using a two-step procedure, we find a positive...

Diversifying into non-farm activities has been suggested as an effective way out of poverty for rural households in developing countries. Using the Vietnamese Household Living Standards Surveys of 2002, 2004, 2006, and 2008, we test this claim, and investigate the effect of non-farm sector...

Abstract This paper investigates the existence of a possible media bias by analyzing the impact of automobile manufacturers’ advertisements on automobile reviews in a leading German car magazine. By accounting for both endogeneity and sample selection using a two-step procedure, we find a...