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.
A: Typically 24 hours after the last coat is applied your floors should be dry enough to walk on and place furniture on. Even though the floors are dry the finish will still be soft therefore you must wait 10 to 14 days before you place any area rugs down. This will ensure your floor cures properly.Polyurethane won t dry in the cold so be certain your heat is set and functioning.epending on how much sanding they ve already had will depend on how many more sandings it can withstand. Depression flooring (flooring installed in the 1930 s) is much thinner and often can t be refinished but once.