Consider the following data concerning the NYSE:

Year

Average Daily Trading Volume
(Thousands of Shares)

Annual High Price of an
Exchange Membership

1991

178,917

$ 440,000

1992

202,266

600,000

1993

264,519

775,000

1994

291,351

830,000

1995

346,101

1,050,000

1996

411,953

1,450,000

What do you conclude about the short-run relationship between trading activity and the value of a seat?