Autonomous investment is indicated by the intercept. 1  An Induced Slope: The slope of the investment equation (f) measures the change in investment resulting from a change in income. If income changes by $1, then investment changes by $f.
24 to 48 Hours. You should wait at least 24 hours before grouting the tiles. You may notice that the edges of the thinset or the thinset showing through the grout lines looks dry. Don't be fooled by this. The thinset under the tiles isn't receiving as much air as the edges and is therefor not fully cured.
Drying time after the floors are refinished: After youâve refinished your hardwood floors, you need to wait before walking on them and/or moving (or returning furniture). At a minimum, you should wait at least 24 hrs before walking on the floors; for hours 24-48, itâs best to wear socks only (no shoes, no bare feet).