general campus links:

berkeley econ department - one of the best economics departments in the nation
ARE department - agriculture and resource economics department
PEIS - political economy of industrial societies major
HAAS - undergraduate buisness administration major
econometrics lab - computing resources for economics
asuc.org - provides support for clubs like ODE

undergraduate research links:

undergraduate research homepage - general information on research opportunities
URAP - Undergraduate Research Apprentice Program
RFE - An AEA sponsored research website
T.J.Long Electronic Database - Electronic database of business & economics purblications
BUJ - opportunities to publish research in Berkeley Undergraduate Journal
triple helix - another undergradute journal

career related links :

career center - number one source for cal jobs and internships
idealist.org - site for nonprofit jobs and internships
studentjobs.gov - federal site for civil service jobs
recent graduate servey - a survey of recent cal economics grads