We derive general, yet simple, sharp bounds on the size of the omitted variable bias for a broad class of causal parameters that can be identified as linear functionals of the conditional expectation function of the outcome. Such functionals encompass many of the traditional targets of...

Individuals may display different preferences for food regulations when acting as a voting citizen than as a buying consumer. In this paper, we examine whether such a duality exists between citizens and consumers in the willingness to pay for food safety standards in restaurants. Using a...

Tourism is an increasingly popular global activity and contributes significantly to the GDP and employment of an economy. However, its contribution to an economy is difficult to quantify as it does not fall in the system of national accounts (SNA) due to the demand-driven nature of activity....

Purpose – The purpose of this paper was to investigate the factors influencing financial performance of small hotels, particularly in developing countries like Tanzania. Design/methodology/approach – This investigation used financial ratio analysis on business performance data collected from...

Purpose – The purpose of this paper is to evaluate whether there were significant differences in the factors affecting economic contribution and performance of small hotel clusters in the three regions of Arusha, Dar es Salaam, and Mwanza in Tanzania. This paper also assesses whether there...