Answer:
Assuming the policy is effective the US exits of the beluga caviar market will make the prices and quantities decrease by a huge margin.
Also, we should consider that people will try to fullfil the demand of the beluga caviar thus, other types prices and quantities will increase. Also, there is the posibilities for a black market of beluga caviar or arbitrage is created (importing frozzen dished made with the beluga caviar) to walk-by the government regulation which will put the price way above the current price as it is illegal.
Explanation: