Well, it looks like de Rugy's analysis in the OP was *ahem* not particularly thorough:
The study does not control for at least one other variable that is overwhelmingly important in determining the dispensation of stimulus funds. The variable in question is in fact pretty obvious if you simply look at the districts that have received the largest amount of stimulus money, according to de Rugy's dataset.
The district that received the largest amount of stimulus funding in the 4th Quarter of 2009, according to de Rugy's tally, is California's 5th Congressional District. Is there anything notable about the 5th Congressional? Well, it is home to the state capital, Sacramento....Next on the list is New York's 21st Congressional District. The largest city in the 21st is the state capital of New York, Albany. Third is the 21st Congressional District of Texas. It contains parts of Texas' state capital, the wonderful city of Austin. (Another district that contains parts of Austin -- the 25th -- ranks 14th on de Rugy's list.)
...etc...
This, of course, makes perfect sense. A lot of stimulus funds are distributed to state agencies, which are then responsible for allocating and administering the funds to the presumed benefit of citizens throughout the state. These state agencies, of course, are usually located in or near the state capital. In fact, the differences are pretty overwhelming....On a per-district basis, the districts with state capitals received 11 times more funding.
...The other piece of the puzzle, of course, is that state capitals are much more likely to elect Democrats to Congress for a variety of reasons. They are, by definition, urban (although some smaller state capitals like Montpelier stretch the definition). They are, by definition, home to large numbers of governmental employees, who may be more sympathetic to bigger government. They tend to be highly educated and often are home to large state universities.
That de Rugy has testified before Congress on the basis of her evidence, and never paused to consider why the top five congressional districts on her list overlap with Sacramento, Albany, Austin, Tallahassee and Harrisburg, is mind-boggling. The presence of a state capital is the overwhelmingly dominant factor it predicting the dispensation of stimulus funds.
Actually, it's not that mind-boggling. It's called partisan hackery.