This paper gives a relatively simple, well behaved solution to the problem of many instruments in heteroskedastic data. Such settings are common in microecono- metric applications where many instruments are used to improve efficiency and allowance for heteroskedasticity is generally important....

These essays by Clive W. J. Granger span more than four decades and cover major topics in spectral analysis, seasonality, nonlinearity, methodology, and forecasting. The introduction by Eric Gysels, Norman R. Swanson and Mark W. Watson places the essays in context and demonstrates their enduring...

These essays by Clive W. J. Granger span more than four decades and cover major topics in causality, integration, cointegration, and long memory. The introduction by Eric Gysels, Norman R. Swanson, and Mark W. Watson places the essays in context and demonstrates their enduring value