As reported in the? chapter, quarterly revenue? (in billions of? dollars) for Nike is estimated as
R=3.820+0.139t+0.168Upper D 1 +0.482Upper D 2+0.594Upper D 3?,
where t is a time? trend, Upper D1 is a dummy variable indicating the? year's first? quarter, Upper D2 is a dummy variable indicating the second? quarter, and Upper D3 is a dummy variable indicating the third quarter.
What does this estimation tell us about first quarter revenues for Nike compared to the revenue in the fourth? quarter?
All else? equal, in the first ?quarter, did Nikes revenues decrease? remain unchanged? or increase? relative to revenues in the fourth quarter.