Spaniards and labor

Ok odd question. How long can pre labor last? I have been having contractions since sunday and they don't get any closer and/or change in intesity. I was just wondering since even with two previous births I have never before experienced this. I don't even know if it is pre labor or not. I just...

Describe two factors that affect labor supply and two factors that affect labor demand. Using economic principles, describe how changes in the labor market have affected you or someone you know.

Yesterday while laying on the couch to take a nap, my cat came up and laid on my chest. I noticed she looked like she had been gaining weight, but was unaware of her being around any males. Suddenly she started 'talking'! I quickly turned her around, and there appeared to be a 'sac' coming...

Economics, supply and demand