According to Friedmann’s centro-periphery model which of the following sentences is correct :
1
This model proposes that it is the circular causation that results in either downward or upward spiral effect
2
Development is determined by the nature of relationship between the developed core and the underdeveloped periphery
3
The development of subsidiary capitalist metropolis exist as satellite city status
4
Model is highlights the role of spread effect rather than backwash effect