In the Keynesian framework, which of the following events might cause a recession? Which might cause inflation?

a$.$ A large increase in the price of the homes people own. $=>$ R$$cession

A large increase in the price of the homes people own would likely reduce consumer spending and investment, leading to a leftward shift in aggregate demand $($AD$).$

b$.$ Rapid growth in the economy of a major trading partner. $=>$ Recession

c$.$ The development of a major new technology offers profitable opportunities for business. $=>$ Inflation

The development of a major new technology offering profitable opportunities for business might increase investment and aggregate demand, leading to inflationary pressures.

d$.$ The interest rate rises. $=>$ Inflation

e$.$ The good imported from a major trading partner become much less expensive. $=>$