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.
Remove the tape on the uncoated steps after the paint has dried. Paint each of these with three coats of polyurethane, sanding between coats as you did for the previous steps. 12. Wait 24 hours before walking on the stairs and avoid using rugs, cleaners or subjecting the stairs to heavy traffic for about one week.