मान लीजिए sp लाभ कमाने वालों की सीमांत बचत प्रवृत्ति को दर्शाता है और sw मजदूरी पाने वालों की सीमांत बचत प्रवृत्ति को दर्शाता है। रिकार्डो के विकास सिद्धांत की विशेषता निम्नलिखित में से कौन सी शर्त है?

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): According to Paul Romer, public and private investment in human capital generate external economies. Reason (R): Investment in human capital leads to improvement in productivity and thereby offsets the natural tendency of diminishing returns. In light of the above statements, choose the correct answer from the options given below:

Match List I (Book) with List II (Author) and select the correct combination: List I: (a) Theory of Economic Development (b) Growth and Underdevelopment (c) Strategy of Economic Development (d) Capital Formation in Underdeveloped Countries List II: (i) Schumpeter (ii) Hirschman (iii) Hirschman (iv) Nurkse