The 'dependency theory' of economic development argues that developing countries are: MCQ with Answer and Explanation

Explanation:
The interaction between the multiplier and accelerator is used in theories of business cycles (e.g., by Samuelson and Hicks) to explain fluctuations in economic activity.

Explanation:
In the simplest New Keynesian model with only sticky prices and no other distortions, the optimal policy that fully stabilises inflation also closes the output gap—the so-called divine coincidence.

Explanation:
Contestability measures the extent to which potential competition can discipline incumbents; in digital markets it is often impaired by network effects, data advantages and switching costs.