Match the columns :
| Group-A | Group-B |
| (w) Monopolistic competition | (i) Sale of goods at varying prices in the foreign and domestic markets. |
| (x) Price rigidity | (ii) Edward Chamberlin. |
| (y) Dumping | (iii) Firms working together in price determination. |
| (z) Collusion | (iv) Paul Sweezy |
1
(w)-(ii) (x)-(iii) (y)-(i) (z)-(iv)
2
(w)-(iv) (x)-(ii) (y)-(i) (z)-(iii)
3
(w)-(ii) (x)-(iv) (y)-(i) (z)-(iii)
4
(w)-(iv) (x)-(i) (y)-(iii) (z)-(ii)