What advances are possible to generate efficient experimental designs, especially in online contexts? • How should one balance causality and prediction? 2022 latest answers

   What advances are possible to generate efficient experimental designs, especially in online contexts? • How should one balance causality and prediction?   2022 latest answers

Which matters most and when?  

• What strategies exist to combine AB testing and learning in order to trade off the value of current responses with the value from longer term !earnings about consumer behavior?