This paper examines alternative forms of match bias arising from earnings imputation. Wage equation parameters are … imputation match criteria (e.g., union status) are severely biased. Related forms of match bias arise with respect to attributes … used as match criteria, but matched imperfectly. For example, an imperfect match on schooling creates bias that flattens …

This paper examines alternative forms of match bias arising from earnings imputation. Wage equation parameters are … imputation match criteria (e.g., union status) are severely biased. Related forms of match bias arise with respect to attributes … used as match criteria, but matched imperfectly. For example, an imperfect match on schooling creates bias that flattens …

exposed to the bid prices, a systematic bias occurs that gives an unjust advantage to the lower bidder. We term this the Lower …-Bid Bias. It is then shown that this bias can be neutralized by splitting the evaluation process into two stages, whereby bid … this bias is undesirable and suggest a mandatory rule, requiring two-stage CB for any competitive public procurement based …

based on proper science. The present paper explores sources of bias in the methods used to evaluate environmental policy in …

based on proper science. The present paper explores sources of bias in the methods used to evaluate environmental policy in …

based on proper science. The present paper explores sources of bias in the methods used to evaluate environmental policy in …

less data. The choice of survey mode, therefore, involves a potential tradeoff between bias and variance of estimators. I … dilemma. I then use a simulation study to show how and under what conditions a hybrid survey design can improve efficiency of …