If by conservatives you mean libertarians (Austrian economists tend to be libertarian), you only have check out Peter Schiff or do a search on mises.org to hear

If by conservatives you mean libertarians (Austrian economists tend to be libertarian), you only have check out Peter Schiff or do a search on mises.org to hear the "decrying of deficit spending". Also, you may want to check out some more articles on mises.org to fully understand what deficit spending does to the economy.