Answer:
B.Keynesian economist
Step-by-step explanation:
Keynesian economist -
It was developed in 1930s by John Maynard Keynes , a British economist .
It is the theory of the total spending in the economy and its effect on inflation and output .
It is a demand - side theory which focus on the changes in the economy on short run .
Hence , Christina is best described as a Keynesian economist .