This week, Carmel-By-The-Sea is starting a six-month experiment with paid parking. Ten "kiosks," which are essentially fancy parking meters designed to serve an entire block, have been installed along Ocean Avenue to test the viability of implementing paid parking throughout the business district. Carmel has flirted with this idea several times in the recent years, but this is the first time they've hopped into bed with it. The theory justifying paid parking, as I understand it, goes something like this. There are not enough parking spaces downtown to meet demand. Making matters worse, it is believed that downtown employees are parking in on-street spaces, even though they're limited to two hours, taking parking away from customers. It is alleged that employees keep moving their cars to avoid getting tickets. Charging for parking, it is said, will discourage employees from parking on downtown streets and encourage them to park in the free parking spots and lots