निम्नलिखित में से कौन-सा विद्वान लोक नीति कार्यान्वयन के 'ऊपर से नीचे' (Top-down) मॉडल से संबंधित नहीं है?

Read the following statements regarding India's development policy and choose the correct code: A. The architecture of India's post-colonial development policy framework was inspired by the Japanese model of development. B. India's green revolution was made possible through the Government's concerted effort and investment in agricultural research and extension services. C. The New Economic Policies from 1991 resulted in a complete paradigm shift in policymaking, emphasizing liberalization and greater integration with the world economy.

According to David Easton, the special characteristics of public policies that differentiate them from other policies emanate from being formulated by: