Krug's Rules, Pt. The Last Dept.

The last and simplest — you'll see soon how the pun is intended — of Krugman's rules of researchis "Simplify, simplify".

... always try to express your ideas in the simplest possible model. The act of stripping down to this minimalist model will force you to get to the essence of what you are trying to say (and will also make obvious to you those situations in which you actually have nothing to say). And this minimalist model will then be easy to explain to other economists as well.

In the same...