We estimate price regressions for surgical procedures used to treat colon cancer, a leading cause of cancer mortality. Using a claims database for self-insured employers, we focus on transaction prices, rather than more commonly available billing data that do not reflect actual payments made....

For forecasting and economic analysis many variables are used in logarithms (logs). In time series analysis this transformation is often considered to stabilize the variance of a series. We investigate under which conditions taking logs is beneficial for forecasting. Forecasts based on the...

Purpose The purpose of this study is to explore the information needs and behaviors of Chinese first-time mothers from the perspective of information journey theory. Design/methodology/approach This study uses the popular coding language Python to write a program to extract 366 posts published...

Purpose The purpose of this study is to explore mitigation measures for cash flow interruption during the epidemic and provide decision support to ensure the regular operation and robustness of the supply chain (SC). Design/methodology/approach Considering the scenarios of production capacity...

Purpose The sensorless external force estimation of robot manipulator can be helpful for reducing the cost and complexity of the robot system. However, the complex friction phenomenon of the robot joint and uncertainty of robot model and signal noise significantly decrease the estimation...

Two of the most discussed issues triggered by the so called Feldstein-Horioka puzzle in international macroeconomics are: What does the saving-investment (SI) relation really measure and how should the SI relation be measured? The first contribution of this study is to develop a new variant of...