Applied work often studies the effect of a binary variable ("treatment") using linear models with additive effects. I study the interpretation of the OLS estimands in such models when treatment effects are heterogeneous. I show that the treatment coefficient is a convex combination of two...

Applied work often studies the effect of a binary variable ("treatment") using linear models with additive effects. I study the interpretation of the OLS estimands in such models when treatment effects are heterogeneous. I show that the treatment coefficient is a convex combination of two...

Economic diversification has been the glamour of successive administrations in Nigeria, especially amidst the dwindling oil-revenue in recent years, which has resulted from the fluctuations in world crude oil prices. This study aims at investigating the impact of diversifying the economy on the...

Although ordinary least squares (OLS) is generally regarded as the foundation of econometrics, the vital concept of the empirically determined statistical variance in an OLS prediction is misunderstood and missing. The fundamental deficiency is the failure to appropriately model the...

The Capital Asset Pricing Model (CAPM) purports to mathematically relate the expected return of an asset with its risk. Two types of risk are addressed: systematic risk, which is a function of the market; and unsystematic risk, which is independent of the market and is asset specific. The market...

Few would contest that teachers are a very important determinant of whether students learn in school and how to improve teacher performance has been the focus of much policy debate in rich and poor countries. This paper examines how incentives, both pecuniary and non-pecuniary, correlate with...

The paper investigates the determinants of working capital to forecast the future requirement of working capital of BSE-listed top 150 companies in India. The study is conducted by collecting the data of 150 top-performing BSE listed companies for the time period of 2009-2017. The ten firm-level...