Learning outcomes
In this chapter, you will learn how to
• Describe the key features of panel data and outline the advantages and disadvantages of working with panels rather than other structures
• Explain the intuition behind seemingly unrelated regressions and propose examples of where they may be usefully employed
• Contrast the fixed effect and random effect approaches to panel model specification, determining which is the more appropriate in particular cases
• Estimate and interpret the results from panel unit root and cointegration tests
• Construct and estimate panel models in EViews
Introduction – what are panel techniques and why are they used?
The situation often arises in financial modelling where we have data comprising both time series and cross-sectional elements, and such a dataset would be known as a panel of data or longitudinal data. A panel of data will embody information across both time and space. Importantly, a panel keeps the same individuals or objects (henceforth we will call these ‘entities’) and measures some quantity about them over time. This chapter will present and discuss the important features of panel analysis, and will describe the techniques used to model such data.
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