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.
August 8, 2011 How to Grout. Learn know how to grout tile floor so that it will look great and last a long time. Once you know how to grout a tile floor, you will be able to do it much faster and with less effort.he actual color of the grout may become lighter as it sets up and have some time to dry. It takes up to 48 hours to cure the grout. You should not get it wet, or walk on the tile before the 48 hour time frame. Also, it is a good idea to apply two or three coats of a grout sealant on top of the grout surface.