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Count data models with variance of unknown form : an application to a hedonic model of worker absenteeism
Delgado, Miguel A., (1997)
Reduction in hedging risk from adjusting for autocorrelation in the residuals of a price level regression
Elam, Emmett, (1991)
Drift-independent volatility estimation based on high, low, open, and close prices
Yang, Dennis, (2000)
Forecast evaluation for multivariate time-series models : the US cattle market
Park, Timothy A., (1990)
Direct marketing and the structure of farm sales : an unconditional quantile regression approach
Park, Timothy A., (2015)
Assessing the returns from organic marketing channels
Park, Timothy A., (2009)