Digital Maturity and Technical Efficiency in NHS Acute Trusts: Cross-Sectional Evidence from England
英国 NHS 急性医院的数字成熟度与技术效率：英格兰横截面证据AI 解读 ↓
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AI 根据所提供的论文材料归类：摘要明确估计医院生产函数、随机生产前沿及无效率方程，直接涉及生产技术与效率的模型估计。
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英国 NHS 急性医院的数字成熟度与技术效率：英格兰横截面证据
- 研究问题
- 英格兰急性医院的数字成熟度是否与技术效率相关？研究使用单年度医院横截面资料，考察整体数字水平及不同数字能力领域。
- 方法与思路
- 作者对一百一十一家医院拟合贝叶斯随机前沿模型，使用四投入的柯布—道格拉斯生产函数，并在无效率方程中加入数字成熟度与控制变量。
- 材料陈述的贡献
- 摘要报告数字成熟度与无效率负相关，但可信区间略跨零；不同成熟度组存在估计效率差距，且结果对最保守先验较敏感。
- 阅读关注点
- 应核对产出和资本的构造、前沿误差与无效率的区分、先验敏感性，以及数字投资内生性和效率差距折算为活动价值的依据。
- 阅读边界
- 这是 arXiv 预印本，不能据此确认同行评审或期刊接收；横截面关联不足以证明数字投资的因果收益，摘要亦强调识别困难。
原文摘要
Whether investment in digital health technology is associated with differences in hospital productivity is a question of substantial policy relevance, yet interpretation is constrained by challenges in causal identification and prior evidence is mixed. Technical efficiency in NHS acute hospital trusts in England is estimated using Bayesian stochastic frontier analysis. A four-input Cobb--Douglas production function incorporating clinical full-time equivalents, administrative full-time equivalents, non-labour expenditure, and physical capital derived from audited NHS accounts is fitted to 111 acute non-specialist trusts in 2024/25. Digital maturity, measured by the NHS Digital Maturity Assessment, is included in a trust-specific inefficiency equation alongside population deprivation, teaching status, and financial position controls. The composite digital maturity score is estimated to be negatively associated with technical inefficiency (\(\hatγ = -0.612\), 95\% credible interval \([-1.289, +0.005]\), \(P(γ< 0) = 0.974\)). Trusts in the highest digital maturity quartile are estimated to operate at 98.0\% of their production frontier compared with 93.2\% for the lowest quartile. This gap corresponds to approximately £20 million of additional cost-weighted activity per trust at mean output levels, or £1.1 billion in aggregate. Estimates are robust to functional form but are sensitive to the most conservative prior specification. Pillar-level analysis suggests that population health management and care pathway optimisation domains exhibit stronger associations with efficiency than other domains. Catchment deprivation is not estimated to have an independent association with efficiency after controlling for digital maturity.