Economies of Scope vs Scale vs Easement / Similarities & differences among them. 

Economies of Scope
Economies of scope is an economic theory stating that average total cost of production decreases as a result of increasing the number of different goods produced.
Easement
An easement is a property right that gives its holder an interest in land that's owned by someone else
Economies of Scale
An economies of scale is when a company increases production or purchase capacity, per unit cost decreases.