<p>Doing econ research will give you an idea of whether or not you really want to do a PHD program. </p>
<p>If you're a good student with good grades, you're likely to be able to get a job in finance/banking when you finish school....and doing the summer research may even be a plus.</p>
<p>1) Do you have the offers on hand?
2) Accounting internship doing what (don't just say accounting)? Econ Research, doing what? I doubt you can do anything too valuable if you have not taken econometrics yet.</p>