Lighthouse ownership.

When you see a lighthouse and a child asks who made this (or had it made) how will you explain? Why?

Economic interplay in the airline industry.

"Economies of scope in the airline industry emerge from the interplay of economies of density and the properties of a hub-and-spoke network." Explain how the interplay between economies of density and the properties of hub-and-spoke networks give rise to economies of scope.

Oscar Lange - Liberal Market Socialist Model

Hi! Im looking for (point form preferably) the strengths and weaknesses of Oscar Lange's Liberal Market Socialist model. I want to know what to look for in my readings. (I have asked this question previously in the Political Science forum, but im looking for a more economic point of view, and in specific points so i can make arguements for or against Market Socialism in a paper) thanks!

Regional economic integrations

Discuss the distinguishing features of various forms of regional economic integration, including their benefits and costs. Give recent examples including both developing and more industrialized countires.

market uncertainty and event uncertainty

What is the difference between market uncertainty and event uncertainty? (with examples)