Classical economic theory posits that individuals are rational agents who consistently make decisions to maximize their utility. However, behavioral economics, integrating insights from cognitive psychology, demonstrates that systematic cognitive biases often lead people to deviate predictably from these rational norms. These deviations, including phenomena like anchoring, framing effects, and loss aversion, profoundly impact choices ranging from personal finance to public health policy, often resulting in suboptimal outcomes.

Which of the following sentences best completes this paragraph?

A. For example, recent studies have shown how framing a medical treatment as an 80% success rate versus a 20% failure rate significantly alters patient compliance.
B. Thus, recognizing and strategically addressing these ingrained cognitive shortcuts is crucial for designing interventions that genuinely promote optimal decision-making and societal welfare.
C. Conversely, the idea that emotional responses play a significant role in decision-making has gained traction in neuroscience.
D. This often means that human behavior is inherently unpredictable, making economic forecasting a challenging endeavor.