Question

welfare paradigm in geography is propounded by

Answer 1

According to the Dictionary of Human Geography edited by R.J. Johnston, D. Gregory and David M. Smith (1994), “in a spatially disaggregated society,

Answer 2

Paradigm's concept is propounded to the world by Thomas Khun, an American philosopher.

Welfare Geography is a part of Human Geography. It is an approach emphasizing on the spatial inequality that occur across the world due to caste and culture.  It also deals with territorial justice.

A paradigm shift is something that deals with a change that occurs when the normal way of thinking / doing is replaced by a different/new way.

Hope it helps.