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.
Q. How soon after can I walk on a newly sanded and varnished floor. A. This depnds on the type of floor lacquer used. We have acid catalysed lacquers that are dry in around 15-20 minutes and this can vary up to around 1-2hrs, but we do recommend its left overnight. After this, albeit the room can be used, there is a curing period.