Dummy Variables | Descriptions of the Variables |

${D}_{1t}$ | ${D}_{1t}$ =1 if it is Tuesday and 0 otherwise |

${D}_{2t}$ | ${D}_{2t}$ =1 if it is Wednesday and 0 otherwise |

${D}_{3t}$ | ${D}_{3t}$ =1 if it is Thursday and 0 otherwise |

${D}_{3t}$ | ${D}_{3t}$ =1 if it is Friday and 0 otherwise |