Definition of "developed"

Investors face a quandary. Cash offers a return of virtually zero in many developed countries; government-bond yields may have risen in recent weeks but they are still unattractive. Equities have suffered two big bear markets since 2000 and are wobbling again. It is hardly surprising that pension funds, insurers and endowments are searching for new sources of return.

2013 July 6, “The rise of smart beta”, in The Economist, volume 408, number 8843, page 68

Access to finance is deeper and wider under better institutions (more transparency, better property rights) in more developed financial markets, and in an environment less distorted by taxes, unnecessary regulations, and other avoidable costs.

2007, Lev Ratnovski, Aditya Narain, Public Financial Institutions in Developed Countries, page 3

We shall, however, obtain a clearer view of the question if we consider the superstitions of those races which have a rudimentary religion, and endeavour to trace these ideas up into a more developed condition.

2014, John Lubbock, The Origin of Civilisation and the Primitive Condition of Man, page 125