Local linear estimator for stochastic differential equations driven by   $\alpha$-stable L\'{e}vy motions
  We study the local linear estimator for the drift coefficient of stochastic differential equations driven by $\alpha$-stable L\'{e}vy motions observed at discrete instants letting $T \rightarrow \infty$. Under regular conditions, we derive the weak consistency and central limit theorem of the estimator. Compare with Nadaraya-Watson estimator, the local linear estimator has a bias reduction whether kernel function is symmetric or not under different schemes. 
Song Yu-Ping, Lin Zheng-Yan
math.ST stat.TH