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.
Before You Begin. 1  Allow at least two days to complete this project. 2  You canât walk on new flooring for 24 hours, so plan your work accordingly. You may have to leave a walking strip bare and complete the flooring the following day. 3  Check all boards for warping and defects.