If securities market reaction to accounting information is observed during a narrow window, of three days around the release of accounting information, all the following are valid arguments EXCEPT for:

		There are probably no other firm-specific factors to affect share returns but the accounting information
		Accounting information is the cause of the market reaction.
		A narrow window association provides stronger support for decision usefulness than a wide window
		A wide window association provides stronger support for decision usefulness than a narrow window