Inflation can be caused by a. increases in the long-run aggregate supply curve or decreases in the aggregate demand curve. b. decreases in the long-run aggregate supply curve or decreases in the aggregate demand curve. c. decreases in the long-run aggregate supply curve or increases in the aggregate demand curve. d. increases in the long-run aggregate supply curve or increases in the aggregate demand curve.

Why is it easier for new entrants to get involved in radical innovations when compared to incumbent firms? a. unlike incumbent firms, new entrants do not have to face the high entry barriers, initially. b. new entrants are embedded in an innovation ecosystem, while incumbent firms are not. c. unlike incumbent firms, new entrants do not have formal organizational structures and processes. d. incumbent firms do not have the advantages of network effects that new entrants have.