Financial economics

Financial economics is the study of the valuation of securities, risk and returns, the financing of companies and the making of investment decisions. The sophisticated maths usually required to actually use the results of financial economis is called quantitative finance. There is no clear demarcation between these.

It is a branch of economics and uses many of the same concepts and tools. Like the rest of economics, modern financial economics is a very quantitative discipline and makes extensive use of econometrics as well as a range of other mathematical methods.

Important subject areas within financial economics include the valuation of securities and corporate finance (the financing and behaviour of companies).

Particularly important results and models include:

Key concepts include:

Areas of overlap with other branches of economics and with other disciplines include:

Econometrics is one of the most important of the areas of overlap with other disciplines. It is central to the application and testing of financial economics. Agency theory is an important part of corporate finance while behavioural finance is a newer and somewhat peripheral, but interesting, field.

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