If you are on a tight budget, your best bet is these Marc Jacobs Shorts. It's a great product, while not very expensive. Another wonderful option is this Marc Jacobs Skirt. While the price is not very high, be sure that this piece will become a worthy addition to your wardrobe.
If you can afford to spend a little more, look no further than these Marc Jacobs Flare Pants. This item won't break the bank, but definitely deserves a place in your wardrobe. You might also want to check out these Marc Jacobs Culottes. It's an attractive option both price and quality-wise.