A History of British Regional Policy in the 1970s

There are many studies which purport to show whether the regional policy of a particular country at a particular time was or was not "efficient," or "effective" or even "rational." This study, however, is not concerned with technical economic analysis, which the writer prefers to leave to economists, but with a simpler, though perhaps less empowered question of politics: What exactly was British regional policy during the 1970s?