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Questions › GATE › GATE 2026 › Q50
2 marks, −0.667Economics of Growth and Development › Harrod–Domar and Solow growth models › The Solow model and its steady stateModerateabout 2 min

GATE 2026 Question 50: Harrod–Domar and Solow growth models

Consider a Solow growth model with the production function Yt=KtαNt1−αY_t=K_t^\alpha N_t^{1-\alpha}Yt​=Ktα​Nt1−α​; 0<α<10<\alpha<10<α<1; where, YtY_tYt​ is aggregate output at time ttt; KtK_tKt​ is aggregate capital stock at time ttt; NtN_tNt​ is the number of workers at time ttt. There is population growth but no technology growth. Let 0<s<10<s<10<s<1 be the savings rate, 0<n<10<n<10<n<1 be the population growth rate, and 0<δ<10<\delta<10<δ<1 be the rate of depreciation of capital stock.

What is the growth rate of aggregate output at steady state?

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Plain-text version

Consider a Solow growth model with the production function Yₜ=Kₜ^α Nₜ^(1-α); 0<α<1; where, Yₜ is aggregate output at time t; Kₜ is aggregate capital stock at time t; Nₜ is the number of workers at time t. There is population growth but no technology growth. Let 0<s<1 be the savings rate, 0<n<1 be the population growth rate, and 0<δ<1 be the rate of depreciation of capital stock. What is the growth rate of aggregate output at steady state? (A) n (B) s+n (C) n+δ (D) 0

Also written as: Consider a Solow growth model with the production function Y_t=K_t^(alpha) N_t^(1-alpha); 0<alpha<1; where, Y_t is aggregate output at time t; K_t is aggregate capital stock at time t; N_t is the number of workers at time t. There is population growth but no technology growth. Let 0<s<1 be the savings rate, 0<n<1 be the population growth rate, and 0<delta<1 be the rate of depreciation of capital stock. What is the growth rate of aggregate output at steady state?

Harrod–Domar and Solow growth models has come up 113 times in 7 exams since 2006.

What this question tests

This question is on The Solow model and its steady state, part of Harrod–Domar and Solow growth models in Economics of Growth and Development.

Growth with substitutable factors: capital per worker settles where saving covers depreciation and dilution.

TestStop has 38 past-paper questions on this subtopic; the nearest in year are below.

  • IIT JAM 2022 · Q14An economy follows the Solow model with production function y = √k, where y is output per worker and k is…
Take this paper as a timed mockMore on The Solow model and its steady state

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