Monopolistic Pricing in Ballparks

According to the Boston Globe, several baseball teams are switching to smaller ballparks. The article cites two reasons:

Fans get a more intimate stadium, with better sightlines to the field. Shrinking the ballparks also has another effect: By making tickets scarcer, teams create urgency among fans and drive up demand. When fans worry about getting seats, they buy earlier and invest in season tickets -- which brings guaranteed money for the teams and insulates them from slumps on the field.

I don't think this analysis is quite right. The better sightlines are still available in the old stadiums (at higher price), and it's not obvious that this will increase season tickets. More likely explanations:

• It restricts supply, which increases prices and profits--classic monopolistic pricing.
  
• It makes the game more exciting, which increases its fan base and further drives up prices.